Tovmasyan () is an Armenian surname. Notable people with the surname include:
Arthur Tovmasyan (born 1962), Artsakhi politician Hranush Tovmasyan (born 1982), Armenian linguist and translator Hrayr Tovmasyan (born 1970), Armenian politician Lusine Tovmasyan (born 1986), Armenian beauty pageant contestant Marat Tovmasian, Armenian amateur boxer Ruben Tovmasyan (1937–2019), Armenian politician Suren Tovmasyan (1910–1980), Soviet Armenian politician and diplomat Taguhi Tovmasyan (born 1982) Armenian politician Vache Tovmasyan (born 1986), Armenian actor, comedian and showman Valentin Tovmasyan (1937–2017), Armenian musicologist