Mark Nelson Chesnutt (born September 6, 1963 in Beaumont, Texas) is an American country music singer. Chesnutt recorded and released his first album, Doing My Country Thing, in the late-1980s on private independent record label, Axbar Records, with the vinyl album version now a collector's item. His national debut came in 1990 with the single, "Too Cold at Home", the debut single from his second album which was also titled Too Cold at Home.

Chesnutt has charted more than thirty singles on the U.S. Billboard Hot Country Songs charts, including eight No. 1 singles. He has also released eleven studio albums and a Greatest Hits package. His first three albums — Too Cold at Home (1990), Longnecks & Short Stories (1992), and Almost Goodbye (1993) — and his 1996 Greatest Hits album have all achieved RIAA platinum certification in the United States, while 1994's What a Way to Live was certified gold. His album, Rollin' with the Flow, was released on June 24, 2008. Its title track and lead-off single was a cover of Charlie Rich's hit single from 1977. The latest album from Mark, Live From The Big D was released on Mark's newly formed record label Nada Dinero Records on March 6, 2012.