Baumgartner (also Baumgärtner, Baumgardner, Bumgardner or Bumgarner) is a surname of German origin, and may refer to:
- The Baumgartner Prize of the Vienna Academy of Sciences
- Ann Baumgartner, first American female pilot of a jet
- Brian Baumgartner, American actor
- Bruce Baumgartner (born 1962). American amateur wrestler
- Felix Baumgartner (born 1969), Austrian skydiver and base jumper
- Harold Baumgartner (1883–1938), South African cricketer
- James Earl Baumgartner (born 1943), American mathematician
- Johann Wolfgang Baumgartner (1712–1761), German painter
- Ken Baumgartner (born 1966), Canadian ice hockey player
- Nolan Baumgartner (born 1976), Canadian hockey player in the NHL
- Paul Baumgartner (1903–1976), Swiss pianist
- Rudolf Baumgartner (1917–2002), Swiss conductor and violinist
- Steve Baumgartner (born 1951), American football player
- Zsolt Baumgartner (born 1981), Hungarian race driver
- Jennifer Baumgardner (born c. 1970), American feminist and author
- John Baumgardner (contemporary), American intelligent design proponent
- Max Bumgardner (born 1923), former NFL defensive back
- Rex Bumgardner (born 1923), former NFL running back
- A.L. Bumgarner, NASCAR cup series owner from the 1950s
- Madison Bumgarner (born 1989), pitcher for the San Francisco Giants
- Michael Bumgarner (born 1959), United States Armed Services officer
- Michele Bumgarner (born 1989), Filipina racing driver
- Samantha Bumgarner (1878–1960), country and folk music performer