Felix Karl Wilhelm Sandman (born 25 October 1998) is a Swedish singer. He is best known as a member of the boy band FO&O with two studio albums Off the Grid (2014) and FO&O (2017). In 2017, FO&O split, and Sandman launched a solo career. His first solo single "Every Single Day" peaked at number one on the Swedish singles chart. Sandman took part in Melodifestivalen 2018 with the song making it to the Second Chance round where Sandman and Mimi Werner duelled for a place in the final.