Karasu

Karasu, Kara-su, Kara su or Qarasu (lit. 'black water/river' in Turkic languages) may refer to:

The Balkans

 * A former name of the Struma River (Struma Karasu) in Bulgaria and Thrace, northern Greece
 * A former name of the Mesta River (Mesta Karasu) in Bulgaria and northern Greece, forming the border between Greek Macedonia and Thrace
 * A former name of the Haliacmon (İnce Karasu) in western Macedonia, northern Greece
 * Karasu (Istanbul), a river in the greater Istanbul area of Turkey

Central Asia

 * Qarasu River, a small river in northeast Iran feeding into the southeast corner of the Caspian Sea
 * Kara-Suu (Aksy), a right tributary of the river Naryn in Aksy District, Kyrgyzstan
 * Kara-Suu (Kara-Köl), a left tributary of the river Naryn near Kara-Köl, Kyrgyzstan
 * Karasu, name of the last stretch of river Shiderti, Kazakhstan
 * Karasu (Koybagar), a river in Kostanay Region, Kazakhstan
 * Karasu (Karasor), a river in Karaganda Region, Kazakhstan

Japan

 * Karasu River (Gunma) in Gunma Prefecture, Japan

Turkey

 * Karasu (Euphrates), the western of the two major sources of the Euphrates in Eastern Anatolia
 * Karasu (Hatay), a tributary of the Orontes River (formerly of Lake Amik) in Hatay Province, southeastern Turkey, bordering Syria
 * A small river in northwest Anatolia, a tributary of the Sakarya River

Azerbaijan

 * Qarasu, Hajigabul
 * Qarasu, Kurdamir
 * Qarasu, Qabala
 * Karasu Kumlakh or Qarasuqumlaq, Agdash Rayon

China

 * Karasu, Xinjiang, a place at the foot of the Kulma Pass

Crimea

 * Karasubazar

Japan

 * Karasu, Mie

Kazakhstan

 * Karasu District, Kostanay Region
 * Karasu (village), administrative center of Karasu District

Kyrgyzstan

 * several places, see Kara-Suu (disambiguation)

Tajikistan

 * Karasu, Tajikistan, Vahdat District

Turkey

 * Karasu, Sakarya, a town in Sakarya Province
 * Karasu, Karacabey, a village in Bursa Province
 * Karasu, Yenice, a village in Çanakkale Province
 * Karasu, Refahiye, a village in Erzincan Province
 * Karasu, Aşkale, a mahalle in Erzurum Province
 * Karasu, Karayazı, a mahalle in Erzurum Province

Uzbekistan

 * Karasu or Qorasuv, Andijan Province, adjacent to Kara-Suu, Kyrgyzstan

Fictional characters

 * Karasu, a character from the manga and anime series Yu Yu Hakusho
 * Karasu, a Noein character
 * Karasu, a ninja puppet in Naruto

Other uses

 * Karasu, an album in the 13 Japanese Birds series by Merzbow
 * Karasu Bay, a fictional bay in the air combat video game The Sky Crawlers: Innocent Aces
 * Karasu relief, a rock relief in Turkey, near where the Karasu River, the western branch of the Euphrates, joins the eastern branch of the Euphrates
 * Karasu, a species of giant beaked whale

People with the surname

 * Carasso family, a Sephardic Jewish family of Salonika, often spelled Karasu
 * Emmanuel Carasso (1862–1934), lawyer and politician
 * Isaac Carasso (1874–1939), Emanuel's nephew, founder of Groupe Danone
 * Daniel Carasso, Isaac's son, co-founder of Dannon in the U.S.
 * Albert Karasu, Jewish-Turkish journalist
 * Bilge Karasu (1930–1995), Turkish writer
 * Oğuzhan Karasu (born 1995), Turkish volleyball player