| Acronym | Definition |
|---|
| GLO | General Land Office |
| GLO | Global |
| GLO | Get the Lead Out |
| GLO | Good Looking Out |
| GLO | Good Looking Search |
| GLO | Glossary |
| GLO | Glowing |
| GLO | Group Litigation Order (UK) |
| GLO | Grand Lodge Officer (Masonic rank) |
| GLO | General Learner Outcomes |
| GLO | GLO Lounge Orlando |
| GLO | Good Looking Organisation Ltd. (music production) |
| GLO | Gunnery Liaison Officer (US Navy) |
| GLO | Gospel Literature Outreach |
| GLO | Greek Life Office |
| GLO | Greek Letter Organization (sorority or fraternity) |
| GLO | Growth and Learning Opportunities |
| GLO | Grupo Linux de Occidente (Mexico) |
| GLO | Government Liaison Officer (American Red Cross) |
| GLO | Go Learn Online (New Zealand elearning portal) |
| GLO | God Lovers Online |
| GLO | Global Learning Objects |
| GLO | Global Local Optimizer |
| GLO | Geneva Interagency Liaison Office |
| GLO | Greek Liaison Office |
| GLO | Global Life Observatory |
| GLO | Great Lakes Organic |
| GLO | Gay and Lesbian Ostamates |
| GLO | Ground/Gunnery Liaison Officer |
| GLO | Goblin Liaison Office |