Brian Thomas Littrell (born February 20, 1975) is an American singer-songwriter, best known as a member of the Backstreet Boys. He is also a contemporary Christian recording artist.

Brian Littrell was born in Lexington, Kentucky, United States.

Littrell made appearances with The Backstreet Boys on Arthur, Sesame Street, and Sabrina The Teenage Witch. Littrell also performed with The Backstreet Boys on Saturday Night Live.