| Acronym | Definition |
|---|
| SJAC | steam-jet aerosol collector |
| SJAC | Stonewall Jackson Area Council (Virginia) |
| SJAC | Scottish Jewish Archives Centre (Glasgow, Scotland, UK) |
| SJAC | Silver Jubilee Access Committee (UK) |
| SJAC | South Jersey Astronomy Club (Vineland, NJ) |
| SJAC | Saint John Arts Centre (Saint John NB, Canada) |
| SJAC | San Jose Athletic Club (San Jose, CA) |
| SJAC | Social Justice Advisory Committee |
| SJAC | Somali Justice Advocacy Center (St. Paul, MN) |
| SJAC | Social Justice Action Committee |
| SJAC | South Jersey Athletic Club (Haddonfield, NJ) |
| SJAC | Society of Japan Aerospace Companies |
| SJAC | Saint John Astronomy Club (Canada) |
| SJAC | Service Jeunesse & Action Communautaire (Switzerland) |
| SJAC | Shanghai JUJI Aluminum CO, Ltd |
| SJAC | San Joaquin Animal Coalition (California) |
| SJAC | Social Justice Advisory Council |
| SJAC | South Jutland Agro-College |
| SJAC | San Jose Arts Commission (San Jose, CA) |
| SJAC | Students' Joint Action Committee |
| SJAC | Staff Judge Advocate Course (US DoD) |
| SJAC | Saint Joan of Arc Center |
| SJAC | Swing Jazz Art Club |
| SJAC | Saint James Athletic Club (Cincinnati, OH) |
| SJAC | San Jacinto, California |
| SJAC | Supervisory Joint Apprenticeship Committee |
| SJAC | Saint Joan of Arc Church |
| SJAC | San Jose Ad Club (San Jose, CA) |