Atasoy is a surname. Notable people with the surname include:
Ahmet Emin Atasoy (born 1944), Bulgarian-born Turkish poet, author and interpreter Demir Atasoy (born 1987), Ukrainian-born Turkish swimmer Fadik Sevin Atasoy (born 1975), Turkish actress, scriptwriter, film director, and writer Nurhan Atasoy (born 1934), Turkish art historian Sevil Atasoy (born 1949), Turkish forensic scientist Veysel Atasoy (1947–2004), Turkish politician