Stepanyan (also commonly spelled Stepanian) (Armenian: Ստեփանյան) is an Armenian surname, derived from Stepan (Armenian: Ստեփան), the Armenian equivalent of Stephen, and could refer to any of the following people:
Arthur Stepanyan (born 1987), Armenian footballer
Kalin Stepanyan (born 1955), Russian football coach
Leo Stepanyan (1931–2002), Soviet and Armenian ornithologist
Levon Stepanyan (born 1971), Armenian footballer
Nelson Stepanyan (1913–1944), Soviet pilot
Vahe Stepanyan (born 1948), Armenian lawyer
Vardan Stepanyan (1966–1992), Armenian military commander
Stepanian
Eric Stepanian, lead vocalist and guitarist of the band Stepanian
