Pitt won his first acting Golden Globe since 1996 for his best supporting actor in a film trophy for "Once Upon a Time ... in Hollywood."
Pitt plays Cliff Booth, stunt double and sidekick to Leonardo DiCaprio's cowboy actor Rick Dalton, in director Quentin Tarantino's tale of Los Angeles in 1969.
Pitt won in a star-studded category that also included nominees Tom Hanks, Anthony Hopkins, Al Pacino and Joe Pesci. Pitt said the other nominees "were like gods to me."
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It was Pitt's second Golden Globe as an actor after his 1996 win in the same category in 1996 for "12 Monkeys."
He may now be bound for his sixth Oscar nomination for acting.
Pitt thanked co-star Leonardo DiCaprio, adding a reference to DiCaprio's famous death scene in "Titanic."
"I would've shared the raft," Pitt said.
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