Baumer is a surname. People with the surname include the following:
- Bettina Baumer (born 1940), an Austrian-born Indian scholar of religion
- Christoph Baumer (born 1952), a Swiss scholar and explorer
- Daniela Baumer (born 1971), a Swiss sprint canoer
- Jim Baumer (1931–1996), an American infielder and front office executive
- Lewis Baumer (1870–1963), an English caricaturist
- Susie Baumer (born 1966), an Australian swimmer
- Thomas Baumer (born 1960), a Swiss economist, interculturalist and personality assessor
- Uwe Schulten-Baumer (1926–2014), a former German show jumping and dressage rider