| Acronym | Definition |
|---|
| GLTA | Good Luck to All |
| GLTA | Gay and Lesbian Tennis Alliance |
| GLTA | Government Land Transport Agency (Hong Kong) |
| GLTA | Gay and Lesbian Tennis Association |
| GLTA | Guardian Laser Transmitter Assembly (US Air Force) |
| GLTA | Greater Laconia Transit Agency (New Hampshire) |
| GLTA | Glued Laminated Timber Association (UK) |
| GLTA | Greater Lapeer Transportation Authority (Michigan) |
| GLTA | Grooters, Leapaldt, Tideman Architects (St. Cloud, Minnesota) |
| GLTA | Gloucestershire Lawn Tennis Association (UK) |
| GLTA | Greater Laconia Transit Authority |
| GLTA | General Labour and Trades and Allied Services and Audio Visual Group (Canada) |
| GLTA | Guangdong Lychee Technical Association (China) |
| GLTA | German Language Teachers Association |
| GLTA | Global Long Term Agreement |
| GLTA | Guided Listening Thinking Activity |