Mosler can refer to:
- Mosler Automotive, an American supercar and race car company
- Mosler Safe Company, a defunct American safe manufacturer
- Mosler (grape), an alternative name for the Hungarian wine grape Furmint
As a surname
editPeople whose surname is or was Mosler include:
- Henry Mosler (1841–1920), United States artist
- Warren Mosler (born 1949), United States economist