Martirosyan (Armenian: Մարտիրոսյան) or variants Mardirosian and Mardirossian in Western Armenian is an Armenian surname. It means "son of Martiros" (a martyr in Armenian).
Notable people with the surname include:
Amasi Martirosyan (born 1897), Armenian film director
Armen Martirosyan (athlete) (born 1969), Armenian triple jumper
Armen Martirosyan (politician), ambassador to the United Nations for Armenia
Armen Martirosyan (musician) (born 1963), artistic director and conductor of the Armenian Jazz Band
Simon Martirosyan (born 1997), Armenian weightlifter
Tigran Gevorg Martirosyan (born 1988), Armenian weightlifter who competes in the 69 kg category
Tigran Vardan Martirosyan (born 1983), Armenian weightlifter who competes in the 85 kg category
Tigran Martirosyan (tennis) (born 1983), Armenian tennis player
Vanes Martirosyan (born 1986), Armenian-American professional boxer
