"Bad Bad Boy" is a song and single by Scottish rock group Nazareth.

[2] Musicians are Dan McCafferty on lead vocals, Darrell Sweet on percussion, Pete Agnew on bass guitar and Manny Charlton on electric guitar.

It reached number 10 in 1973, staying for nine weeks.

[3] A 2010 re-issue of their 1973 album Loud 'n' Proud contained "Bad Bad Boy" as a bonus track not included on the original release.

It was taken from a live recording from the Bob Harris show on BBC Radio.