"Natural Sinner" is a song by British rock band Fair Weather, released in July 1970 as their debut single.

It peaked at number 6 on the UK Singles Chart.

[1] Fair Weather was formed after the disbandment of Amen Corner, with the name coming from frontman Andy Fairweather Low.

"Natural Sinner" was the band's release, as a non-album single, despite releasing an album, Beginning from the End, at the end of the year.

Despite releasing further singles, "Natural Sinner" was the band's only hit and they split in 1972.