Mustonen is a Finnish surname. Notable people with the surname include:

Aleksi Mustonen (b. 1995) – Finnish ice hockey player

Andres Mustonen (b. 1953) – Estonian conductor and violinist

Atte Mustonen (b. 1988) – Finnish racing driver

Helvi Mustonen (b. 1947) – Finnish artist

Henrik Mustonen (b. 1990) – Finnish squash player

Joel Mustonen (b. 1992) – Finnish ice-hockey player

Kaija Mustonen (b. 1941) – Finnish speed skater

Leo Mustonen (c1920-1942) – Finnish-American pilot

Liisa Mustonen (b. 1969) – Finnish film actress

Markus Mustonen – Swedish musician

Olli Mustonen (b. 1967) – Finnish pianist, composer, conductor

Paavo Mustonen (b. 1986) – Cook Islands footballer

Pasi Mustonen (b. 1960) – Finnish ice hockey coach

Risto Mustonen (1875–1941) – Finnish wrestler

Sami Mustonen (b. 1977) – Finnish skier

Sara Mustonen (1962–1979) – Finnish skier

Sara Mustonen (b. 1971) – Swedish cyclist

Taneli Mustonen (b. 1978) – Finnish film director

Finnish-language surnames

Mustonen