"So Lonely" is a song by English rock band The Police, released as the third and final single in November 1978 from their debut studio album Outlandos d'Amour (1978), and again in February 1980 as a re-release. The song uses a reggae style, and featured Sting on lead vocals. "So Lonely" has since been covered by a variety of artists, such as Limbeck and The Militia Group.