| GLAS | Gay and Lesbian Arabic Society | 阿拉伯男女同性恋协会 |
| GLAS | Goddard Laboratory of Atmospheric Sciences | 戈达德大气科学实验室 |
| GLAS | General Ledger Accounting System | 总账会计系统 |
| GLAS | Gust-Load Alleviation System | 阵风负荷缓解系统 |
| GLAS | Giggling Like A Schoolgirl | 笑得像个女学生 |
| GLAS | Geosciences Laser Altimeter System | 地球科学激光高度计系统 |