Barry Alan Crompton Gibb CBE (born 1 September 1946) is a singer, songwriter and producer. He was born in the Isle of Man, to English parents. With his brothers Robin and Maurice, he formed the Bee Gees, one of the most successful pop groups of all time. The trio got their start in Australia, and found their major success when they returned to England. He is known for his high-pitched falsetto singing voice. Gibb holds the record for consecutive Hot 100 Number Ones as a writer with 6. According to britishhitsongwriters.com he is the fourth most successful songwriter in U.K. singles chart history based on weeks that his compositions have spent on the chart (his brother Robin being the fifth).

Born Barry Alan Crompton Gibb to Barbara (née Pass) and Hugh Gibb in the Isle of Man. The second-born of five children, he has an older sister, Lesley (b. 1945), and three younger brothers, fraternal twins Maurice and Robin (b. 1949), and Andrew (b. 1958). In late 1958, his family moved to Brisbane, Australia, settling in one of the city's poorest suburbs, Cribb Island, which was subsequently obliterated to make way for Brisbane Airport.

Barry Gibb married a former "Miss Edinburgh (Scotland)" Linda Gray on 1 September 1970, choosing Barry's birthdate "so he wouldn't forget anniversary" according to Linda from a 1979 biography of the Bee Gees. At that time they lived in Abbey House, a mansion block in London near the Abbey Road crossing made famous by The Beatles. They have five children: Stephen (b. 1973), Ashley (b. 1977), Travis (b. 1981), Michael (b. 1984), and Alexandra (b. 1991). Michael Jackson was the godfather of Barry's son Michael. Gibb's son Steve Gibb has toured with the Bee Gees and is currently a guitarist for the bands Crowbar and Kingdom Of Sorrow.