Borel is a surname. Notable people with the surname include:
Armand Borel (1923–2003), Swiss mathematicianCalvin Borel, American jockeyCleopatra Borel-BrownDaniel BorelÉmile Borel (1871–1956), French mathematicianEric BorelErnest BorelEugene Borel, member of Swiss Federal CouncilFelice BorelGabriel Borel, French aircraft designerGeorge Frederik Willem Borel, Dutch military figureHenri Borel, Dutch writer, son of George Frederik Willem BorelJacques Borel, French novelistPascal BorelPascale BorelPetrus Borel, French Romantic writerPierre BorelRaymond Borel