Baumer is a surname. Notable people with the surname include:

Christoph Baumer (born 1952), Swiss scholar and explorer Daniela Baumer (born 1971), Swiss sprint canoer Jim Baumer (1931–1996), American infielder and front office executive Lewis Baumer (1870–1963), English caricaturist Susie Baumer (born 1966), Australian swimmer Thomas Baumer (born 1960), Swiss economist, interculturalist and personality assessor Uwe Schulten-Baumer (1926–2014), German show jumping and dressage rider William Henry Baumer Jr. (1909–1989) American army major general, military strategist, and author

See also Baumer (band) Bäumer

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