Masan is an administrative region of Changwon, South Korea and was formerly an independent city.
Masan can also refer to:
- Masan (Gangwon), a mountain in South Korea
- Masan (pastry), a Tibean tsampa pastry with brown sugar
- Masan Group, a Vietnamese conglomerate company
See also
- Masaan, 2015 Indian film
- Masan, Iran (disambiguation)