"Wedding Bells (Are Breaking Up That Old Gang Of Mine)" is a popular barbershop song composed by Sammy Fain with lyrics by Irving Kahal and Willie Raskin.

Published in 1929, the song laments the loss of childhood friendships as they are replaced by adult relationships.

[1] This song was recorded by Gene Austin on February 23, 1929 (Victor 21893), peaking on the US charts at #8.

[3] It is one of the tracks on Gene Vincent's 1956 debut album Bluejean Bop (Capitol T764).

George Harrison performed a cover of the song during a jam session while recording his 1970 album All Things Must Pass; the recording was eventually released as part of the 50th anniversary reissue of the album in 2021.