Bertolt is a German masculine given name and a surname. A variant of Berthold, it means "bright leader". Notable people with the name include:

Given name Bertolt Brecht (1898–1956), German theatre practitioner, playwright and poet Bertolt Flick (born 1964), German businessman

Surname Morten Bertolt (born 1984), Danish footballer

See also Bertolt-Brecht-Literaturpreis, a German literary award