A Creature I Don't Know is the third studio album by British singer-songwriter Laura Marling, released on 9 September 2011. The album was announced in June 2011, along with a preview of a new song, featured in a video posted on Laura Marling's official YouTube channel. The first track from the album to receive radio airplay was "Sophia", on 25 July 2011 on BBC Radio 1. The "When The Bell Tolls" tour of America, Canada and England was announced on 25 July, and took place in September and October 2011 to support the album.

Laura Beatrice Marling is a British folk singer-songwriter. She won the Brit Award for Best British Female Solo Artist at the 2011 Brit Awards and was nominated for the same award at the 2012, 2014, 2016, and 2018 Brit Awards.