A mutt is a mongrel (a dog of unknown ancestry).
Mutt may also refer to:
People
Nickname
- Larry Black (1951-2006), American sprinter
- Mutt Carey (1886â"1948), New Orleans jazz trumpeter
- Emanuel J. "Mutt" Evans (1907â"1997), American businessman and first Jewish mayor of Durham, North Carolina
- H.M. "Mutt" Fowler (1918-2014), American politician
- Robert John "Mutt" Lange (born 1948), music producer
- Andrew Shaw (ice hockey) (born 1991), Canadian National Hockey League player
- Mutt Summers (1904â"1954), chief test pilot at Vickers-Armstrongs and Supermarine
- Mutt Williams (baseball) (1892â"1962), Major League Baseball pitcher
- Mutt Wilson (1896â"1962), Major League Baseball pitcher
Other
- Mutt and Jeff (spies), codename of Allied double agent Helge Moe during World War II
- Mihkel Mutt (born 1953), Estonian writer and journalist
Arts and entertainment
- A. Mutt, a character in the Mutt and Jeff comic
- Mutts, a daily comic strip by Patrick McDonnell
- Mutt (G.I. Joe), a fictional character in the G.I. Joe universe
- Mutt Williams, Indiana Jones' son in Indiana Jones and the Kingdom of the Crystal Skull, played by Shia LaBeouf
- The Mutts, an American garage rock band formed in 1983
- The Mutts (UK), an English rock and roll band (2001-2006)
- Mutt (album), a 2004 album by Roots music group Lost Dogs
- Mutt (song), a 1999 song from Blink-182's Enema of the State album
- Mutts (band), a rock band from Chicago
Other uses
- Mutt, Virginia, an unincorporated community
- M151, a nickname based on Military Utility Tactical Truck
- Mutt (email client), a terminal-based e-mail client for Unix-like systems
- Mutt (hinduism), alternate spelling for Matha, a Hindu or Jain religious establishment
- MutT, alternate name for 8-oxo-dGTP diphosphatase, an enzyme