There are several people and things named Joliet:

  • Louis Jolliet, a 17th century explorer of North America
  • Joliet, Illinois, United States, a city named after Louis Jolliet
    • Joliet Prison
  • Joliet, Montana, United States
  • Joliet Township, Platte County, Nebraska
  • Joliet (file system), an extension to the ISO 9660 specification, written by Microsoft
  • "Joliet" Jake Blues (John Belushi), member of the Blues Brothers band