| Acronym | Definition |
|---|
| JSA➣James Spence Authentication (memorabilia; various locations) |
| JSA➣Justice Society of America (see JLA) |
| JSA➣Job Safety Analysis |
| JSA➣Joint Security Area |
| JSA➣Japan Squash Association |
| JSA➣Jobseeker's Allowance |
| JSA➣Japanese Standards Association |
| JSA➣Junior State of America (formerly Junior Statesmen of America) |
| JSA➣Junior Statesmen of America (now Junior State of America) |
| JSA➣Journal of Substance Abuse |
| JSA➣Java Stream Assembly |
| JSA➣Joint Staff Assessment |
| JSA➣Jewelers' Security Alliance |
| JSA➣Japanese Shipowners' Association |
| JSA➣Joint Sales Agreement |
| JSA➣Japanese Society of Allergology |
| JSA➣Japanese Student Association |
| JSA➣Japan Sumo Association |
| JSA➣Judaica Sound Archives (Florida Atlantic University) |
| JSA➣Joint Service Agreement |
| JSA➣Joint Subcommittee on Aquaculture |
| JSA➣Jewish Student Association |
| JSA➣Jamaica Squash Association |
| JSA➣Jardine Sports Association (Hong Kong) |
| JSA➣Japanese Society of Antioxidants |
| JSA➣Japanese Society of Auckland (Auckland, New Zealand) |
| JSA➣Japanese Society of Anesthesiologists |
| JSA➣John Stark Associates (Trumbull, CT) |
| JSA➣Japan Securities Agents, Ltd. |
| JSA➣Jaisalmer Airport (India) |
| JSA➣Japan-Singapore Association |
| JSA➣Joe Shuster Awards |
| JSA➣Japan Sportfishing Association |
| JSA➣Japan Stretching Association |
| JSA➣Japan Softball Association |
| JSA➣Japanese Sumo Association |
| JSA➣Junior Semester Abroad |
| JSA➣Joint Systems Architecture |
| JSA➣Japan Sabo Association |
| JSA➣Justice System Assessment (various locations) |
| JSA➣Japanese Society of Adelaide (Adelaide, Australia) |
| JSA➣Jammer System Analysis |
| JSA➣Japan Society for Archaea (microorganisms) |