Kellermann is a German surname. Notable people with the surname include:
- Arthur Kellermann (born 1955), American physician, epidemiologist and academic
- David Kellermann (1969–2007), Freddie Mac acting chief financial officer
- François Christophe de Kellermann (1735–1820), 1st Duc de Valmy, one of Napoleon's officers, a Marshal of France
- François Christophe Edmond de Kellermann (1802–1868), 3rd Duc de Valmy, French politician, political historian and diplomat, son of François Étienne
- François Étienne de Kellermann (1770–1835), 2nd Duc de Valmy, French general in the Napoleonic Wars, son of François Christophe
- Georgine Kellermann (born 1957), German journalist
- Kenneth Kellermann (born 1937), American astronomer
- Matthew Kellermann (born 1971), United Kingdom politician
- Susan Kellermann (born 1944), American actress