| Acronym | Definition |
|---|
| JLSC➣John Lennon Songwriting Contest |
| JLSC➣Joint Logistics Systems Center |
| JLSC➣Judicial and Legal Services Commission (Trinidad and Tobago) |
| JLSC➣Japanese Language School in Charlotte (Charlotte, NC) |
| JLSC➣Journal of Law and Social Challenges (University of San Francisco School of Law; San Francisco, CA) |
| JLSC➣Junior League of Sioux City (women's volunteer group; Sioux City, IA) |