The Best of A1 is the first compilation album by British-Norwegian boyband A1. The album was released on 9 August 2004 exclusively in Asia. The album contained two discs, the first comprising eighteen audio tracks, and the second with seven live performances. The album contained six postcards, and was packaged in a cardboard slipcase.

A1 is a British–Norwegian boy group formed in 1998. The original lineup consisted of Paul Marazzi, Christian Ingebrigtsen, Mark Read and Ben Adams. Ingebrigtsen is originally from Oslo, Norway, while the other members originate from London.