| Acronym | Definition |
|---|
| TJA➣Total Joint Arthroplasty (surgical procedure) |
| TJA➣Tarija, Bolivia (Airport Code) |
| TJA➣Telecommunications Journal of Australia (Telecommunications Society of Australia) |
| TJA➣Thai Journalist Association |
| TJA➣Théatre des Jeunes Années (French: Young People's Theater) |
| TJA➣Texas Jail Association (professional group; Huntsville, TX) |
| TJA➣The Jedi Assembly (Star Wars fan club) |
| TJA➣Thermo Jarrell Ash Corporation (spectrometer manufacturer) |
| TJA➣Trichosanthes Japonica Agglutinin |
| TJA➣Taiwan Journal of Anthropology |
| TJA➣Transport Jacques Auger (French; Canadian transport company) |
| TJA➣Tréga'Jeunes Animations (French youth activity group) |
| TJA➣Transportes João Amaral (Portuguese transport company) |
| TJA➣Terminal Jog Auxiliary |