"4 Seasons of Loneliness" is a song by Philadelphia-based vocal quartet Boyz II Men. Written and produced by Jimmy Jam and Terry Lewis, the song was issued as the first single from their fourth studio album, Evolution (1997), on September 8, 1997.

Boyz II Men is an American vocal harmony group from Philadelphia, Pennsylvania, best known for emotional ballads and a cappella harmonies. Formed in 1985, they have been a trio composed of baritone Nathan Morris alongside tenors Wanyá Morris and Shawn Stockman since 2003. During the 1990s, Boyz II Men was a quartet with bass singer Michael McCary, who left the group in 2003 due to health issues that were diagnosed as multiple sclerosis.