"Knockdown" is a song by English recording artist Alesha Dixon.

The single was commercially released on 30 October 2006, having been made available for legal download the previous week.

The song was written by Alesha and the Kent-based production team, Xenomania.

However, Alesha was signed to Asylum Records, where she has achieved further success under a new label.

Toward the end of the music video, the song blends into the K-Gee remix, which featuring Alesha rapping.