Surname
- Ane Brun (born 1976), Norwegian singer/songwriter
- Antoine Brun-Rollet (1810–1858), French Africa explorer
- Bairbre de Brún (born 1954), Irish politician
- Charles Brun (France), engineer
- Charles Brun (Denmark) (1866–1919), Danish politician
- Charles Le Brun (1619–1690), French painter and art theorist
- Conrad Malte-Brun (1755–1826), Danish-French geographer and journalist
- Élisabeth-Louise Vigée Le Brun (1755–1842), French painter
- Eske Brun(1904–1987), politician in Greenland
- Friederike Brun, German writer
- Herbert Brün (1918–2000), German-American composer of electronic music
- Johan Nordahl Brun (1745–1816), Norwegian poet, dramatist, bishop, and politician
- Napoleon LeBrun (1821–1901), American architect
- Pádraig de Brún (1889–1960), Irish clergyman, mathematician and classical scholar
- Philippe-Alexandre Le Brun de Charmettes (1785–1870), French historian, poet, and official
- Roy Brun (born 1953), American judge and politician
- Rudolf Brun, mayor of Zürich 1336–1360
- Thomas Brun
- Victor Adolphe Malte-Brun (1816–1889), French geographer and cartographer
- Viggo Brun, mathematician
- Walter Brun, racing driver from Switzerland
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