Altounyan, Altunyan, Altounian, and Altonian (Armenian: Ալթունյան; Western Armenian: Ալթունեան) is a common Armenian surname. It can refer to:
Altounyan Roger Altounyan (1922–1987), Anglo-Armenian physician and pharmacologist
Altunyan Ruben Altunyan (1939–2021), Armenian composer Tatul Altunyan (1901–1973), Armenian conductor
Altounian David Altounian, entrepreneur and businessman Essaï Altounian (born 1980), French-Armenian singer, songwriter, keyboardist, music producer and an actor Joe Altounian, American-Armenian entrepreneur and businessman Levon Altounian (1936–2020), Lebanese-Armenian footballer
See also Altun