Katchadourian is a surname. Notable people with the surname include:
Aram Khachaturian (1903-1978), Soviet Armenian composer
Nina Katchadourian (born 1968), American artist
Shabby Katchadourian (born 1986), English actress and filmmaker
Kevin Khatchadourian, principal character in We Need to Talk About Kevin, a novel by Lionel Shriver
Ashley Katchadorian, a character from the animated web series The Most Popular Girls in School
Sarkis Katchadourian (1886-1947), Armenian artist
