| Acronym | Definition |
|---|
| GTLC➣Grand Teton Lodge Company (Moran, WY) |
| GTLC➣Gateway Trinity Lutheran Church (Florida) |
| GTLC➣Global Transportation Logistics Company |
| GTLC➣Ghana Trade and Livelihood Coalition (advocacy) |
| GTLC➣Gippsland Trades & Labour Council (Australia) |
| GTLC➣Golden Triangle Learning Center (Denver, CO) |
| GTLC➣Grand Trail des Lacs et des Châteaux (French: Great Lakes Trail and Castles; Belgium) |
| GTLC➣Grizzly Testing & Learning Center (Adams State College; Colorado) |
| GTLC➣Guide to Texas Legislative Council Services |
| GTLC➣Guelph Trades and Labour Council (Canada) |
| GTLC➣Grace Trinity Lutheran Church (Bear Creek, WI) |