JLA may refer to:
- The Justice League of America, a fictional DC Comics superhero team
- JLA (comic book), a comic book featuring the Justice League
- Joe Louis Arena, a hockey arena in Detroit, Michigan
- Yugoslav People's Army, the military force of the Socialist Federal Republic of Yugoslavia
- Liverpool John Lennon Airport
- Journal of Library Administration, a scholarly journal
- The Jamie Lee Adventures, a charity-based amateur video for BBC Children in Need
- John Luther Adams, an Alaskan composer
- JLA (company), a commercial laundry equipment and service provider