100 Years of Nine Lessons and Carols is a double album by the Choir of King's College, Cambridge released to mark 100 years since the first festival of nine lessons and carols service was held in King's College Chapel, Cambridge. One disc contains recordings of live performances from the BBC Radio broadcasts of the services from the period 1958 to 2017, while the second contains newly recorded versions of works previously performed at the service.

The Choir of King's College, Cambridge is an English Anglican choir. It was created by King Henry VI, who founded King's College, Cambridge, in 1441, to provide daily singing in his Chapel, which remains the main task of the choir to this day.