Moler is a surname. Notable people with the surname include:
- Cleve Moler (born 1939), American mathematician and computer programmer
- Janja Moler (1780-1841), Serbian iconographer
- Janko Mihailović Moler (1792–1853), Serbian priest and artist
- Kathryn Moler (born c.1966), American physicist
- Petar Nikolajević Moler (1775–1816), Serbian politician