"Best of Me" is a song by Canadian recording artist Daniel Powter from his third studio album Under the Radar (2008). It was released as a CD Single and digital download on November 2008 as the second single from the album. The song charted in Switzerland for 3 weeks from 15 February to 1 March 2009. The song was written by Daniel Powter and Kara DioGuardi. It was produced by Linda Perry.

A music video was made to promote the single. The video shows Powter playing with his piano in front of a cinema screen as well as singing to the camera throughout the video.

Powter would later record an alternative version of Best of Me with the lyric "Though it's not your favorite song" changed to "Even if it's not your favorite song" for his greatest hits album named after the song. The alternative version's lyrics would be then used with a slightly different tune and added backing arrangement for the 2012 version on Powter's fourth studio album, Turn on the Lights.

William Chan, a Hong Kong singer, recorded a cover version in Cantonese for his album in 2009. (Chinese name of the song: "今天終於知道錯")

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