Katchadourian is an Armenian surname. Notable people with the surname include: Aram Khachaturian (1903–1978), Soviet Armenian composer Nina Katchadourian (born 1968), American artist 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 Raffi Khatchadourian, American journalist Armenian-language surnames