"Someone Saved My Life Tonight" is a song, with music by English musician Elton John and lyrics by Bernie Taupin, from John's 1975 album Captain Fantastic and the Brown Dirt Cowboy. It was released as a single on 23 June 1975, the only single released from the album. Like the rest of the album, the song is autobiographical, and addresses an attempted suicide by John.

Captain Fantastic and the Brown Dirt Cowboy is the ninth studio album by English musician Elton John. The album is an autobiographical account of the early musical careers of Elton John and his long-term lyricist Bernie Taupin. It was released in May 1975 by MCA Records in America and DJM in the UK and was an instant commercial success. The album was certified gold before its release, and reached No. 1 in its first week of release on the US Billboard 200, the first album to achieve both honours. It sold 1.4 million copies within four days of release, and stayed in the top position in the chart for seven weeks.