Akarsu is a Turkish surname. Notable people with the surname include:
Barış Akarsu (1979–2007), Turkish rock musician Hikmet Temel Akarsu (born 1960), Turkish novelist, short-story writer, satirist and playwright Melisa Akarsu (Born 1993), Turkish female swimmer
See also Akarsu, Ardanuç, a village in Ardanuç district of Artvin Province, Turkey Akarsu, Altıeylül, a village Akarsu, Karayazı Akarsu, Refahiye Akarsu, Tarsus, a village in Tarsus district of Mersin Province, Turkey