Torosyan () is an Armenian surname. Notable people with the surname include:
Ara Torosyan (born 1972), Armenian arranger and record producer David Torosyan (born 1950), Soviet boxer Krikor Torosian (1884–1915), Armenian satirical writer, journalist, and publisher Ovanes Torosyan (born 1986), Stage actor and theater director Peter Torosian, American politician Sahak Torosyan (1885–1940), Armenian politician Tigran Torosyan (born 1956), Armenian politician and statesman
See also Torossian