'Lost in the World' is a song by American hip hop recording artist Kanye West from his fifth studio album, My Beautiful Dark Twisted Fantasy (2010). The song features vocals by Justin Vernon of Bon Iver, as well as sampling his 2009 song "Woods". It also contains portions of "Soul Makossa" written by Manu Dibango, and samples of 'Comment No. 1', performed by Gil Scott-Heron. It was produced by West and Jeff Bhasker, who wrote the song with Vernon and Malik Jones. 

The song has received positive reviews from music critics, who consider it as one of the strongest compositions on My Beautiful Dark Twisted Fantasy. 'Lost in the World' was featured during the closing credits of 'Runaway', a 35 minute short film directed by West set with music from the album. Watch the official video of the song right here.