Paul Balthazar Getty (born January 22, 1975) is an American film actor and member of the band Ringside. His great grandfather was billionaire Jean Paul Getty, his grandfather Sir Paul Getty, and his father John Paul Getty III. His family's fortune is based on the oil business. He's most known for the roles of Thomas Grace on the American action drama Alias and as Tommy Walker on the ABC prime time drama Brothers & Sisters.

Getty was born in Tarzana, California and raised in San Francisco before being sent to private school in Britain, where he was enrolled at Gordonstoun School, an elite boarding school that has educated three generations of the British Royal Family. His great-grandfather is the late multi-billionaire Jean Paul Getty, founder of the Getty Oil Company, and at one time one of the richest men in the world. His father is John Paul Getty III, and his mother, Gisela Martine Getty (née Zacher), is a professional photographer and documentary filmmaker. His parents are now divorced. Getty has a sister, Anna.

He entered the movie business in 1987 when he auditioned for the lead role in the movie Lord of the Flies after being spotted by a talent scout in his art class at school. During the course of the 1990s and early 2000s, he has appeared in films such as Young Guns II, Natural Born Killers, Judge Dredd, White Squall, Lost Highway, Big City Blues, The Center of the World, Deuces Wild, Ladder 49, Feast and the television series Traffic.