Sir Barry Alan Crompton Gibb (born 1 September 1946) is a British musician, singer, songwriter and record producer. He rose to worldwide fame as a member of the Bee Gees, with his younger brothers, Robin and Maurice Gibb, one of the most important, commercially successful and influential groups in the history of popular music.

Well known for his wide vocal range, Gibb's most notable trait is a far-reaching high-pitched falsetto.

As a songwriter, he shares with John Lennon and Paul McCartney the record for most consecutive Billboard Hot 100 number ones, each having six. In total, he has written or co-written sixteen Billboard Hot 100 number ones.

Gibb's career has spanned over 60 years.

In 1994, he was inducted into the Songwriters Hall of Fame with his brothers. In 1997, he was inducted into the Rock and Roll Hall of Fame, as a member of the Bee Gees. In 2007, Q magazine ranked him number 38 on its list of the "100 Greatest Singers". Guinness World Records lists him as the second most successful songwriter in history, behind McCartney.Gibb was appointed a Commander of the Order of the British Empire (CBE) in the 2002 New Year Honours for services to music and entertainment, and a Knight Bachelor in the 2018 New Year Honours for services to music and charity. He was also made an Honorary Companion of the Order of Australia on 27 January 2022.