| ALPO | Association of Lunar and Planetary Observers | 月球和行星观测者协会 |
| ALPO | Air Land Project Officer | 空地项目官员 |
| ALPO | Assistant Leading Petty Officer | 助理首席士官 |
| ALPO | Allegheny Portage Railroad National Historic Site (US National Park Service) | 阿勒格尼·波蒂奇铁路国家历史遗址（美国国家公园管理局） |
| ALPO | Alpha Phi Omega (service fraternity) | Alpha Phi Omega（服务兄弟会） |
| ALPO | Air-Land Project Officer | 空地项目官员 |
| ALPO | Air-Land Programs Office | 空地项目办公室 |
| ALPO | Alumino-Phosphate | 磷酸铝 |