Martti (given name)

Martti is a Finnish and Estonian masculine given name. The name is the Finnish equivalent of the Latin name Martinus and originally refers to Mars, the god of war. It is a cognate of the name Martin. As of 1 January 2023, 531 men in Estonia have the first name Martti, making it the 275th most popular male name in the country.

Individuals named Martti include:
 * Martti Aho (1896–1968), Finnish military colonel
 * Martti Ahtisaari (1937–2023), Finnish politician; tenth President of Finland
 * Martti Aiha (1952–2023), Finnish sculptor
 * Martti Aljand (born 1987), Estonian swimmer
 * Martti Haavio (1899–1973), Finnish poet, folklorist and mythologist
 * Martti Häikiö (born 1949), Finnish historian and writer
 * Martti Halme (born 1943), Finnish footballer
 * Martti Haukioja (born 1999), Finnish footballer
 * Martti Helde (born 1987), Estonian film director and screenwriter
 * Martti Huhtala (1918–2005), Finnish Nordic combined skier
 * Martti Hyvärinen (born 1939), Finnish footballer
 * Martti Ingman (1907–1989), Finnish diplomat
 * Martti Jarkko (born 1953), Finnish ice hockey player
 * Martti Järventaus (born 1960), Finnish swimmer
 * Martti Järventie (born 1976), Finnish ice hockey player
 * Martti Järvinen (born 1933), Finnish footballer
 * Martti Juhkami (born 1988), Estonian volleyball player
 * Martti Jukola (1900–1952), Finnish hurdler and sports journalist
 * Martti Jylhä (born 1987), Finnish cross-country skier
 * Martti J. Kari (1960–2023), Finnish military officer and academic
 * Martti Katajisto (1926–2000), Finnish actor
 * Martti Keel (born 1992), Estonian volleyball player
 * Martti Kellokumpu (born 1963), Finnish freestyle skier
 * Martti Ketelä (1944–2002), Finnish modern pentathlete
 * Martti Kiilholma (born 1950), Finnish long-distance runner
 * Martti Korhonen (born 1953), Finnish politician
 * Martti Korkia-Aho (1930–2012), Finnish businessman and politician
 * Martti Koskenniemi (born 1953), Finnish international lawyer and diplomat
 * Martti Kosma (1922–1999), Finnish footballer and manager
 * Martti Kuoppa (born 1978), Finnish BMX rider
 * Martti Kuusela (born 1945), Finnish footballer and manager
 * Martti Kykkling (1857–1917), Finnish politician
 * Martti Laakso (born 1943), Finnish wrestler
 * Martti Laitinen (1929–2017), Finnish footballer
 * Martti Lappalainen (1902–1941), Finnish cross-country skier and biathlete
 * Martti Larni (1909–1993), Finnish writer
 * Martti Lauronen (1913–1987), Finnish cross-country skier
 * Martti Lautala (1928–2016), Finnish cross-country skier
 * Martti Maatela (1935–2013), Finnish Nordic combined skier
 * Martti Mansikka (born 1933), Finnish gymnast
 * Martti Matilainen (1907–1993), Finnish steeplechase and middle-distance runner
 * Martti Marttelin (1897–1940), Finnish long-distance runner
 * Martti Meinilä (1927–2005), Finnish biathlete
 * Martti Mertanen (1925–2001), Finnish painter
 * Martti Miettunen (1907–2002), Finnish politician; former Prime Minister of Finland
 * Martti Mölsä (born 1952), Finnish politician
 * Martti "Masa" Niemi (1914–1960), Finnish actor
 * Martti Nieminen (1891–1941), Finnish wrestler
 * Martti Nissinen (born 1959), Finnish theologian
 * Martti Nõmme (born 1993), Estonian ski jumper
 * Martti Peltonen (1901–1973), Finnish politician
 * Martti Peltoniemi (1935–1975), Finnish wrestler
 * Martti Pennanen (1923–2010), Finnish actor
 * Martti Pihkala (1906–1966), Finnish politician
 * Martti Pesonen (born 1942), Finnish motorcycle road racer
 * Martti Pokela (1924–2007), Finnish folk musician and composer
 * Martti Räsänen (1893–1976), Finnish linguist and turkologist
 * Martti Rautanen (1845–1926), Finnish missionary
 * Martti Rautio (1935–2017), Finnish-Canadian cross-country skier
 * Martti Rosenblatt (born 1987), Estonian volleyball player
 * Martti Rousi (born 1960), Finnish cellist
 * Martti Saarinen (born 1980), Finnish singer
 * Martti Saario (1906–1988), Finnish organizational theorist and academic
 * Martti Salomies (1923–1987), Finnish diplomat and ambassador
 * Martti Olavi Siirala (1922–2008), Finnish psychiatrist, psychoanalyst and philosopher
 * Martti Simojoki (1908–1999), Finnish Archbishop of Turku
 * Martti Sipilä (1915–2003), Finnish cross-country skier
 * Martti Soosaar (1933–2017), Estonian journalist and writer
 * Martti Suntela (1903–1999), Finnish agronomist and politician
 * Martti Suosalo (born 1962), Finnish actor and singer
 * Martti Talja (born 1951), Finnish politician
 * Martti Talvela (1935–1989), Finnish operatic bass
 * Martti Tolamo (1907–1940), Finnish decathlete, long jumper and pentathlete
 * Martti Uosikkinen (1909–1940), Finnish gymnast
 * Martti Välikangas (1893–1973), Finnish architect
 * Martti Välimaa (born 1989), Finnish footballer
 * Martti Wallén (1948–2024), Finnish operatic bass
 * Kurt Martti Wallenius (1893–1984), Finnish military major general