List of icebreakers

This is a list of icebreakers and other special icebreaking vessels (except cargo ships and tankers) capable of operating independently in ice-covered waters. Ships known to be in service are presented in bold.

Argentina

 * ARA General San Martín (1954–1982)
 * ARA Almirante Irízar (1978–2007, 2017–)
 * ARA Bahía Paraíso (1980–1989; sank in Antarctica)
 * A new icebreaking Antarctic logistics vessel is planned to enter service in the late 2020s.

Australia

 * Aurora Australis (1990–2020; decommissioned)
 * Nuyina (2021–)

Austria

 * Eisvogel (1955–)
 * Röthelstein (1995–)

Azerbaijan

 * Kapitan A. Radzhabov (1992–1999; laid up)

Canadian Coast Guard



 * CGS Northern Light (1876–1890; sold)
 * CGS Stanley (1888–1935; broken up)
 * CGS Minto (1899–1915; sold to Russia)
 * CGS Montcalm (1904–1942; sold to Russia)
 * CGS Earl Grey (1909–1914; sold to Russia)
 * CGS Mikula (1916; 1923–1937; ex-J.D. Hazen, ex-Mikula Seleaninovich; broken up)
 * CCGS Saurel (1929–1967; broken up)
 * CCGS N.B. McLean (1930–1979; broken up)
 * CCGS Ernest Lapointe (1939–1978; museum ship)
 * CCGS C.D. Howe (1950–1969; sold to private company)
 * CCGS D'Iberville (1952–1983; broken up)
 * CCGS Labrador (1954–1987; broken up)
 * CCGS Montcalm (1957–1988; broken up)
 * CCGS Sir William Alexander (1959–1989; CCGS William since 1987; sold to private company)
 * CCGS Sir Humphrey Gilbert (1959–2001; sold to private company)
 * CCGS Alexander Henry (1959–1984; museum ship)
 * CCGS Camsell (1959–1988; broken up)
 * CCGS Wolfe (1959–1988; broken up)
 * CCGS Tupper (1959–1997; sold to private company)
 * CCGS John A. Macdonald (1960–1991; broken up)
 * CCGS John Cabot (1965–1994; sold to private company)
 * CCGS Norman McLeod Rogers (1969–1993; sold to Chile)
 * CCGS Louis S. St-Laurent (1969–)
 * CCGS Griffon (1970–)
 * Pierre Radisson class
 * CCGS Pierre Radisson (1977–)
 * CCGS Amundsen (1979–)
 * CCGS Des Groseilliers (1982–)
 * CCGS Henry Larsen (1987–)
 * Samuel Risley class
 * CCGS Samuel Risley (1985–)
 * CCGS Earl Grey (1986–)
 * Martha L. Black class
 * CCGS Martha L. Black (1986–)
 * CCGS George R. Pearkes (1986–)
 * CCGS Sir Wilfrid Laurier (1986–)
 * CCGS Kopit Hopson 1752 (1986–; ex-Edward Cornwallis)
 * CCGS Sir William Alexander (1987–)
 * CCGS Ann Harvey (1987–)
 * CCGS Terry Fox (1991–)
 * Interim icebreakers
 * CCGS Captain Molly Kool (2018–; ex-Vidar Viking)
 * CCGS Jean Goodwill (2020–; ex-Balder Viking)
 * CCGS Vincent Massey (2022–; ex-Tor Viking)
 * CCGS Judy LaMarsh (2021–; ex-Mangystau-2)
 * New icebreakers and icebreaking vessels planned as part of the National Shipbuilding Strategy
 * six medium-sized "program icebreakers"
 * two modified Harry DeWolf-class offshore patrol vessels
 * sixteen multi-purpose vessels
 * two polar icebreakers based on the proposed CCGS John G. Diefenbaker design

Royal Canadian Navy

 * HMCS Labrador (1954–1961; transferred to Coast Guard)
 * Harry DeWolf-class offshore patrol vessel
 * HMCS Harry DeWolf (2021–)
 * HMCS Margaret Brooke (2022–)
 * HMCS Max Bernays (2024–)
 * HMCS William Hall (2024–)
 * HMCS Frédérick Rolette (under construction)
 * HMCS Robert Hampton Gray (under construction)

Commercial

 * Canmar Kigoriak (1979–2003; sold to Russia)
 * Robert LeMeur (1982–1997; sold to China)
 * Terry Fox (1983–1991; leased and later sold to the Canadian Coast Guard)
 * Arctic Kalvik (1983–2003; sold to Russia)
 * Ikaluk (1983–1998; Canmar Ikaluk since 1995; sold to Russia)
 * Miscaroo (1983–1998; Canmar Miscaroo since 1995; sold to Russia)
 * Arctic Ivik (1985–1997; sold and later converted to survey vessel Geco Snapper)
 * Polar S (2000–2022; ex-Njord, ex-Polar Star; broken up)
 * Polar Prince (2000–; ex-CCGS Sir Humphrey Gilbert)
 * Arcticaborg (2018–2019; transferred to Russia)

Polar Research Institute of China

 * Xuě Lóng (雪龙, "Snow Dragon") (1993–)
 * Xuě Lóng 2 (雪龙2, "Snow Dragon 2") (2019–)

North Sea Branch

 * Ji Di (2024–)

People's Liberation Army Navy

 * Type 071 icebreaker
 * Haibing 722 (海冰722, "Sea Ice 722") (1971–2013; in reserve)
 * Haibing 721 (海冰721, "Sea Ice 721") (1973–2013; transferred to the China Coast Guard)
 * Type 210 icebreaker
 * Haibing 723 (海冰723, "Sea Ice 723") (1982–2012; transferred to the China Coast Guard)
 * Type 272 icebreaker
 * Haibing 722 (海冰722, "Sea Ice 722") (2016–)
 * Haibing 723 (海冰723, "Sea Ice 723") (2016–)

China Coast Guard

 * Donghai 519 (东海519, "East China Sea 519") (2013–; ex-Haibing 721)
 * Haijing 6401 (中国海警6401; "China Coast Guard 6401") (2012–; ex-Haibing 723, ex-Haijing 1411)

Sun Yat-sen University

 * Zhong Shan Da Xue Ji Di (2021–; ex-Beijing Ocean Leader, ex-Ikaluk, ex-Smit Sibu, ex-Canmar Ikaluk)

Chinese Academy of Sciences

 * Tan Suo San Hao (2025– (planned); under construction)

Other

 * Bin Hai 293 (滨海293, "Coastal 293") (1997–2016; ex-Robert LeMeur; broken up)
 * Beijing Ocean Leader (2018–2021; ex-Ikaluk, ex-Smit Sibu, ex-Canmar Ikaluk; sold to Sun Yat-sen University)

Chilean Navy

 * Piloto Pardo (1959–1997; sold to private buyer)
 * Almirante Óscar Viel (1995–2019; ex-Norman McLeod Rogers; decommissioned and later sunk as target)
 * Almirante Viel (2024–)

Denmark

 * Bryderen (1884–1947; sold to Poland; broken up in 1960)
 * Isbjørn (1923–1965)
 * Lillebjørn (1926–1968)
 * Storebjørn (1931–1974; broken up)
 * Elbjørn (1954–1996; used as a restaurant ship until sold for scrap in 2019)
 * Danbjørn (1965–2013; sold for scrap in 2023)
 * Isbjørn (1966–2013; sold for scrap in 2023)
 * Thorbjørn (1980–2015; sold to private company)

Estonian Maritime Museum

 * Suur Tõll (1922–1940; museum ship in Tallinn since 1987)

Estonian Maritime Administration

 * Tarmo (1993–; purchased from Finland)
 * EVA 316 (1995–; ex-Lonna; purchased from Finland)

Port of Tallinn

 * Karu (1988–2002; ex-Karhu, ex-Kapitan Chubakov; purchased from Finland and sold to Russia)
 * Botnica (2012–; purchased from Finland)

Steam-powered

 * Murtaja (1890–1958; broken up)
 * Sampo (1898–1960; broken up)
 * Apu (1899–1959; broken up)
 * Tarmo (1907–1970; museum ship in Kotka since 1992)
 * Wäinämöinen (1918–1922; handed over to Estonia)
 * Ilmarinen (1918–1922; handed over to the Soviet Union)
 * Voima (1924–1945; handed over to the Soviet Union)
 * Jääkarhu (1926–1945; handed over to the Soviet Union)

Diesel-electric



 * Sisu (1939–1974; transferred to the Finnish Navy)
 * Voima (1954–)
 * Karhu class
 * Karhu (1958–1986; sold to the Soviet Union)
 * Murtaja (1959–1986; broken up)
 * Sampo (1961–1987; sold to the city of Kemi)
 * Tarmo class
 * Tarmo (1963–1993; sold to Estonia)
 * Varma (1968–1994; sold to Latvia)
 * Apu (1970–2006; sold to Russia)
 * Hanse (1966–1998; sold to Greece; wrecked off Tunisia)
 * Urho class
 * Urho (1975–)
 * Sisu (1976–)
 * Otso class
 * Otso (1986–)
 * Kontio (1987–)
 * Multipurpose icebreakers
 * Fennica (1993–)
 * Nordica (1994–)
 * Botnica (1998–2012; sold to Estonia)
 * Polaris (2016–)

Finnish Navy

 * Louhi (1975–1986; ex-Sisu; broken up)
 * Louhi (2011–)

Alfons Håkans

 * Zeus of Finland (1995–; ex-Zeus)
 * Thetis (2016–2023; ex-Storm Express, ex-Maersk Shipper, ex-Maersk Placentia, ex-Placentia Bay; sold)

City of Kemi

 * Sampo (1987–)

French Navy

 * L'Astrolabe (2017–)

Compagnie du Ponant

 * Le Commandant Charcot (2021–)

Other

 * L'Astrolabe (1988–2017; ex-Austral Fish, ex-Fort Resolution; decommissioned and sold)

Historical

 * Elbe (1911–??; museum ship)
 * Hindenburg (1916–1918; sunk by mine)
 * Stettin (1933–1981; museum ship)
 * Wal (1938–1990; museum ship)
 * Castor (1941–1945; sunk by mine but later raised by the Soviet Union)
 * Eisvogel (1942–1945; handed over to the Soviet Union)
 * Eisbär (1942–1946; handed over to the Soviet Union)
 * Pollux (1943–1945; sunk by mine)

Alfred-Wegener-Institut

 * Polarstern (1982–)
 * New icebreaking polar research vessel is expected to enter service in 2027.

Other

 * Eisvogel class
 * Eisvogel (1961–2006; sold)
 * Eisbär (1961–1997; sold)
 * Max Waldeck (1966–2006; broken up; fitted with Thyssen-Waas bow in 1981)
 * Stephan Jantzen (1967–2005; museum ship)
 * Neuwerk (1997–)
 * Arkona (2004–)

Italy

 * Laura Bassi (2019–)

Imperial Japanese Navy

 * Ōtomari (1921–1945)

Japan Maritime Self-Defense Force

 * Fuji (1965–1985; museum ship)
 * Shirase (1981–2008; sold to Weathernews)
 * Shirase (2008–)

Japan Coast Guard

 * Sōya (PL107) (1938–1978; museum ship)
 * Sōya (PHL01) (1978–)
 * Teshio (PM 15) (1995–)

Japan Agency for Marine-Earth Science and Technology

 * Mirai II (2027– (planned); under construction)

Kazakhstan
The following icebreaking supply ships are operating or have operated in the Kazakh Caspian Sea oil fields:
 * Arcticaborg (1998–2018; transferred to Canada)
 * Antarcticaborg (1998–2019; sold to Russia)
 * Tulpar (2002–)
 * Mangystau-class icebreaking tugs
 * Mangystau-1 (2010–2023; transferred to Turkmenian flag)
 * Mangystau-2 (2010–2020; transferred to Turkmenian flag)
 * Mangystau-3 (2011–)
 * Mangystau-4 (2011–)
 * Mangystau-5 (2011–)

Kazakhstani Coast Guard

 * Kazhymukan (2016–)

Ministry of Emergency Situations of the Republic of Kazakhstan

 * Ledokol-2 (1984–)

Latvia

 * Krišjānis Valdemārs (1925–1941; sunk)
 * Varma (1994–)
 * Foros (2013–2024; sold to Estonia)

Greenpeace

 * Arctic Sunrise (1995–)

Other

 * Nabil (2022– (planned); completed but not delivered due to sanctions)

Norway

 * NoCGV Svalbard (2001–)
 * Kronprins Haakon (2018–)
 * Polar Circle (2022–2024; sold to Sweden)

Poland

 * Kuna (1884–; oldest in service river icebreaker in the world)
 * Perkun (1963–1993; broken up)

Icebreakers
The following lists include icebreakers owned and/or operated by either governmental or commercial entities.

Nuclear-powered icebreakers



 * Lenin (1959–1989; museum ship in Murmansk)
 * Arktika class
 * Arktika (1975–2008; ex-Leonid Brezhnev, ex-Arktika; decommissioned)
 * Sibir (1977–1992; decommissioned)
 * Rossiya (1985–2013; decommissioned)
 * Sovetskiy Soyuz (1990–2014; decommissioned)
 * Yamal (1992–)
 * 50 Let Pobedy (2007–)
 * Taymyr class
 * Taymyr (1989–)
 * Vaygach (1990–)
 * Project 22220
 * Arktika (2020–)
 * Sibir (2021–)
 * Ural (2022–)
 * Yakutiya (2024– (planned); under construction)
 * Chukotka (2026– (planned); under construction)
 * Leningrad (2028– (planned); under construction)
 * Stalingrad (2030– (planned); ordered)
 * Project 10510
 * Rossiya (2030– (planned); under construction)

Diesel-powered icebreakers



 * Wind class
 * Severny Veter (1944–1951; ex-USCGC Staten Island; returned to the United States)
 * Severniy Polyus (1945–1951; ex-USS Westwind; returned to the United States)
 * Admiral Makarov (1945–1949; ex-USCGC Southwind; returned to the United States)
 * Kapitan Belousov class
 * Kapitan Belousov (1954–1991; sold to Ukraine)
 * Kapitan Voronin (1955–1996; broken up)
 * Kapitan Melekhov (1956–1994; broken up)
 * Moskva class
 * Moskva (1959–1998; broken up)
 * Leningrad (1960–1993; broken up)
 * Kiev (1965–1993; broken up)
 * Murmansk (1968–1995; broken up)
 * Vladivostok (1969–1997; broken up)
 * Civilian variants of Dobrynya Nikitich class (Project 97A)
 * Vasiliy Pronchishchev (1961–1989; ex-Ledokol-1; broken up)
 * Afanasy Nikitin (1962–1992; ex-Ledokol-2; passed over to Ukraine)
 * Khariton Laptev (1962–1996; ex-Ledokol-3; broken up)
 * Vasiliy Poyarkov (1963–1988; ex-Ledokol-4; broken up)
 * Yerofey Khabarov (1963–1993; ex-Ledokol-5; broken up)
 * Ivan Kruzenstern (1964–; ex-Ledokol-6)
 * Vladimir Rusanov (1964–1988; ex-Ledokol-7; broken up)
 * Semyon Chelyuskin (1965–1988; ex-Ledokol-8; broken up)
 * Yuriy Lisyanskiy (1965–2021; ex-Ledokol-9; to be broken up)
 * Fyodor Litke (1970–2013; broken up)
 * Ivan Moskvitin (1971–1997; broken up)
 * Semyon Dezhnev (1971–)
 * Ermak class
 * Ermak (1974–2021; broken up)
 * Admiral Makarov (1975–)
 * Krasin (1976–)
 * Kapitan M. Izmaylov class
 * Kapitan M. Izmaylov (1976–)
 * Kapitan Kosolapov (1976–)
 * Kapitan A. Radzhabov (1976–1992; transferred to Azerbaijan)
 * Kapitan Sorokin class
 * Kapitan Sorokin (1977–; fitted with Thyssen-Waas bow in 1991)
 * Kapitan Nikolaev (1978–; rebuilt in 1990)
 * Kapitan Dranitsyn (1980–)
 * Kapitan Khlebnikov (1981–)
 * Kapitan Chechkin class
 * Kapitan Chechkin (1977–)
 * Kapitan Plakhin (1977–)
 * Kapitan Chadaev (1978–)
 * Kapitan Krutov (1978–)
 * Kapitan Bukaev (1978–)
 * Kapitan Zarubin (1978–)
 * Mudyug class
 * Mudyug (1982–; fitted with Thyssen-Waas bow in 1986)
 * Magadan (1982–)
 * Dikson (1983–)
 * Kapitan Evdokimov class
 * Kapitan Evdokimov (1983–)
 * Kapitan Babichev (1983–)
 * Kapitan Chudinov (1983–)
 * Kapitan Borodkin (1983–)
 * Avraamiy Zavenyagin (1984–)
 * Kapitan Mecaik (1984–)
 * Kapitan Deminov (1984–)
 * Kapitan Moshkin (1986–)
 * Tor (2000–; purchased from Sweden)
 * Karu (2002–2020; ex-Karhu, ex-Kapitan Chubakov; purchased from Estonia; broken up)
 * Dudinka (2006–; ex-Apu; purchased from Finland)
 * Project 21900
 * Moskva (2008–)
 * Sankt-Peterburg (2009–)
 * Baltika (2014–)
 * Project MPSV06
 * Beringov Proliv (2015–)
 * Murman (2015–)
 * Kerchenskiy Proliv (under construction)
 * Project 21900M
 * Vladivostok (2015–)
 * Murmansk (2015–)
 * Novorossiysk (2016–)
 * Ob (2019–)
 * Georgiy Sedov (2019–; ex-Antarcticaborg; purchased from Kazakhstan)
 * Viktor Chernomyrdin (2020–)
 * Project 21900M2
 * Unnamed Project 21900M2 icebreaker (2023– (planned); construction stopped as of 2021)
 * Unnamed Project 21900M2 icebreaker (2028– (planned); under construction)
 * Boris Lavrov (2024– (planned); under construction)
 * Project 23620
 * Two unnamed Project 23620 icebreakers (2024– (planned); ordered)
 * Project MPSV06M
 * Pevek (2024– (planned); under construction)
 * Anadyr (2024– (planned); under construction)
 * Project 22740M
 * Unnamed Project 22740M icebreaker (under construction)
 * Unnamed Project 22740M icebreaker (under construction)

Steam-powered icebreakers



 * Pilot (1864–1890; broken up?)
 * Ledokol 1 (1890–1915; later converted to a gunboat)
 * Ledokol 2 (1895–1923; hander over to Latvia)
 * Saratovskiy Ledokol (1895–1968; sunk)
 * Nadeshnyy (1897–1924; later converted to a gunboat)
 * Yermak (1899–1963; broken up)
 * Gaydamak (1898–1930; broken up)
 * Ledokol 3 (1899–1923; broken up)
 * Ledokol IV (1907–1942; sunk by Germans)
 * A. Sibiryakov (1909–1942; sunk by Germans)
 * Vaygach (1909–1918; sank in 1918)
 * Taymyr (1909–1950s?; broken up)
 * Silatch (1910–1918, 1922–late 1950s; broken up)
 * Malygin (1912–1940; sunk in 1940)
 * Volynets (1914–1918, 1940–1985; ex-Tsar' Mikhail Fyodorovich, ex-Wäinämöinen, ex-Suur Tõll; sold to Estonia in 1987)
 * Fyodor Litke (1914–1958; ex-CGC Earl Grey; broken up)


 * Georgiy Sedov (1915–1967; ex-Beothic (1909–1915); broken up)
 * Sadko (1915–1941; ex-Lintrose (1912–1915); sank in 1941)
 * Mikula Seleaninovich (1916–1918)
 * Ledokol V (1916–1941; sank in 1941)
 * Ledokol VI (1916–1961; broken up)
 * Ledokol VII (1916–1954; broken up)
 * Ledokol VIII (1917–1961; broken up)
 * Ledokol IX (1917–1932; sank in White Sea)
 * Krasin (1917–1971; extensively rebuilt in 1953–1960, now a museum ship in St. Petersburg)
 * Lenin (1917–1968; broken up)
 * Stepan Makarov (1917–1941; sunk)
 * Toros (1929–1964)
 * Sibir (1938–1973; ex-I. Stalin (−1961); broken up)
 * Admiral Lazarev (1938–1967; ex-L. Kaganovich (−1951); broken up)
 * Admiral Makarov (1941–1967; ex-V. Molotov (−1956); broken up)
 * A. Mikoyan (1941–1968; broken up)
 * Malygin (1945–1970; ex-Voima; broken up)
 * Sibiryakov (1945–1972; ex-Jääkarhu; broken up)
 * Alyosha Popovich (1945–1970; ex-Eisvogel; decommissioned and abandoned off Russky Island)
 * Ilya Muromets (1946–1979; ex-Eisbär; broken up in 1981)
 * Peresvet (1951–1980; ex-Castor; decommissioned and abandoned off Reyneke Island)

Offshore vessels
The following Russian-owned, -operated and/or -flagged icebreaking anchor handling tug supply vessels, platform supply vessels, standby vessels etc. are or have been engaged primarily in offshore oil and gas projects:


 * Ikaluk (1998–2018; ex-Ikaluk; ex-Canmar Ikaluk; ex-Smit Sibu; sold to China)
 * Smit Sakhalin (1998–2017; ex-Miscaroo; ex-Canmar Miscaroo; broken up)
 * Kigoriak (2003–2022; ex-Canmar Kigoriak, ex-Kigoria, ex-Talagy; broken up)
 * Vladimir Ignatyuk (2003–2018; ex-Arctic Kalvik; laid up)
 * SCF Sakhalin (2005–)
 * SCF Enterprise (2006–; ex-Pacific Enterprise)
 * SCF Endeavour (2006–; ex-Pacific Endeavour)
 * SCF Endurance (2006–; ex-Pacific Endurance)
 * Polar Pevek (2006–2022)
 * Hermes (2006–; ex-Yury Topchev)
 * Antey (2006–; ex-Vladislav Strizhov)
 * Toboy (2008–)
 * Varandey (2008–)
 * Vidar Viking (2012–2016; charter under Russian flag)
 * Vitus Bering (2012–)
 * Aleksey Chirikov (2013–)
 * Aleut (2015–)
 * Pomor (2016–)
 * Normann (2016–)
 * Gennadiy Nevelskoy (2017–)
 * Stepan Makarov (2017–)
 * Fedor Ushakov (2017–)
 * Yevgeny Primakov (2018–)
 * Aleksandr Sannikov (2018–)
 * Andrey Vilkitskiy (2018–)
 * Arcticaborg (2019–)
 * Katerina Velikaya (under construction)
 * Svyataya Mariya (under construction)
 * Aleksandr Nevskiy (under construction)
 * Vladimir Monomakh (under construction)

In addition, the following shallow-draught icebreaking offshore vessels operate in the Russian sector of the Caspian Sea oil fields:


 * Arctic (2012–)
 * Antarctic (2017–)
 * Polar (2021–)
 * Polus (2021–)

Patrol and naval vessels
The following icebreakers and other icebreaking vessels are or have been in service with the Russian Navy, Russian Border Guard, and their predecessors:


 * Purga (1957–1990)
 * Dobrynya Nikitich class (Project 97) and its variants
 * Dobronya Nikitich (1960–1998; broken up)
 * Purga (1961–2012; broken up)
 * Vyuga (1962–1991; broken up)
 * Ilya Muromets (1965–1993; broken up)
 * Buran (1966–)
 * Sadko (1968–2022; expended as target)
 * Peresvet (1970–2011; broken up)
 * Ivan Susanin class (Project 97P)
 * Ivan Susanin (1973–)
 * Aysberg (1974–2006; broken up)
 * Ruslan (1975–)
 * Anadyr (1976–2019; ex-Dnepr; ex-Imeni XXV syezda KPSS; broken up)
 * Dunay (1977–2017; broken up)
 * Neva (1978–)
 * Volga (1980–)
 * Murmansk (1981–2013; ex-Imeni XXVI syezda KPSS; ex-Irtysh; broken up)
 * Ilya Muromets (2017–)
 * Project 21180M
 * Evpatiy Kolovrat (2023–)
 * Svyatogor (2027– (planned); under construction)
 * Project 23550
 * RUSSIAN PATROL SHIP Ivan Papanin (2023– (planned); under construction)
 * RUSSIAN PATROL SHIP Nikolay Zubov (2024– (planned); under construction)
 * RUSSIAN PATROL SHIP Purga (2024– (planned); under construction)
 * RUSSIAN PATROL SHIP Dzerzhinsky (under construction)

Research and survey vessels

 * Dobrynya Nikitich class (Project 97) variants
 * Pyotr Pakhtusov (1966–1997; ex-Mendeleev; ex-Ledokol-10; broken up)
 * Georgiy Sedov (1967–1992; broken up)
 * Vladimir Kavrayskiy (1969–2012; used as stationary floating barracks PKZ-86)
 * Otto Schmidt (1979–1991; broken up)
 * Mikhail Somov (1975–)
 * Akademik Fedorov (1987–)
 * Akademik Tryoshnikov (2012–)
 * Ivan Frolov (2028– (planned); ordered)

South Africa

 * S. A. Agulhas (1977–2012; retired from Antarctic service and used as a training ship)
 * S. A. Agulhas II (2012–)

South Korea

 * Araon (2009–)
 * A new research icebreaker is expected to enter service by 2027

Soviet Union

 * See Russia

Swedish Maritime Administration



 * Sankt Erik (1915–1977; ex-Isbrytaren II (−1959); museum ship since 1977)
 * Atle (1926–1967; ex-Statsisbrytaren (−1931); broken up)
 * Ymer (1933–1977; broken up)
 * Thule (1953–1998; broken up)
 * Oden (1957–1988; broken up)
 * Tor (1964–2000; sold to Russia)
 * Njord (1969–2000; sold and renamed Polar Star)
 * Ale (1973–)
 * Atle class
 * Atle (1974–)
 * Frej (1975–)
 * Ymer (1977–)
 * Oden (1988–)
 * Idun (2024–; purchased from Norway)
 * First of the new planned icebreakers to enter service in 2027

Trans Viking Icebreaking & Offshore
Three icebreaking anchor handling tug supply vessels were chartered by the Swedish Maritime Administration for escort icebreaking duties in the Baltic Sea until 2015.
 * Tor Viking II (2000–2015; as Tor Viking under Norwegian flag until 2003)
 * Balder Viking (2000–2015)
 * Vidar Viking (2001–2012; contract ended prematurely)

Turkmenistan

 * Mangystau-2 (2020–2021; sold to Canada)
 * Mangystau-1 (2023–)

Ukraine

 * Afanasy Nikitin (1962–1995; broken up)
 * Kapitan Belousov (1991–)
 * Noosfera (2021–; ex-James Clark Ross; purchased from United Kingdom)

United Kingdom

 * HMS Endurance (A171) (1990–2008; broken up)
 * RRS James Clark Ross (1991–2021; sold to Ukraine)
 * RRS Ernest Shackleton (1995–2019; sold to Italy)
 * HMS Protector (A173) (2011–)
 * RRS Sir David Attenborough (2020–)

United States Coast Guard



 * USCGC Mackinaw (WAGB-83) (1944–2006; museum ship)
 * Wind class
 * USCGC Staten Island (WAGB-278) (1944–1974; ex-Severny Veter; ex-Northwind; broken up)
 * USCGC Eastwind (WAGB-279) (1944–1968; broken up in 1976–1977)
 * USCGC Southwind (WAGB-280) (1944–1974; ex-Admiral Makarov; ex-Atka; broken up in 1976)
 * USCGC Westwind (WAGB-281) (1944–1988; ex-Severniy Polyus; broken up)
 * USCGC Northwind (WAGB-282) (1945–1989; broken up in 1999)
 * USCGC Burton Island (WAGB-283) (1946–1978; broken up in 1982)
 * USCGC Edisto (WAGB-284) (1947–1974; broken up in 1980)
 * USCGC Glacier (WAGB-4) (1955–1987; broken up in 2012)
 * Polar class
 * USCGC Polar Star (WAGB-10) (1977–2006, 2013–)
 * USCGC Polar Sea (WAGB-11) (1978–2010; inactive)
 * USCGC Healy (WAGB-20) (2000–)
 * USCGC Mackinaw (WLBB-30) (2006–)
 * Polar Security Cutters
 * USCGC Polar Sentinel (2028– (current estimate); ordered)

National Science Foundation

 * Nathaniel B. Palmer (1992–)
 * Laurence M. Gould (1997–)
 * Sikuliaq (2014–)

Edison Chouest Offshore

 * Aiviq (2012–)