Mats is a masculine given name, the Scandinavian form of Matthew.

MATS as an acronym may refer to:

  • Montgomery Area Transit System, the public transportation in Montgomery, Alabama
  • Metropolitan Adelaide Transport Study, an abandoned transport scheme for the city of Adelaide.
  • Measurements with Advanced Trapping Systems, an Helmholtz research group for young investigators.
  • Military Air Transport Service, a defunct command of the United States Air Force.
  • Car mats, used to keep your vehicle dirt free.
  • Mercury and Air Toxics Standards

The 'Mats is a nickname for rock band The Replacements.