| HAG | Have-A-Go | Have-A-Go公司 |
| HAG | Home Access Gateway | 家庭接入网关 |
| HAG | Hansen Assembly of God (Hansen, Idaho) | 汉森上帝大会（爱达荷州汉森） |
| HAG | Hi And Goodbye | 嗨，再见 |
| HAG | Housing Advocacy Group | 住房倡导小组 |
| HAG | Hazardous Activity Group (DoD/NSA) | 危险活动组(国防部/国家安全局) |
| HAG | High Assurance Guards (military information management assurance) | 高保障警卫（军事信息管理保障） |
| HAG | Highly Academically Gifted | 高度学术天赋 |
| HAG | Helicopter Action Group | 直升机作战大队 |
| HAG | Highest Adjacent Grade | 最高相邻坡度 |
| HAG | Hardware Action Group | 硬件操作组 |
| HAG | High-explosive Anti-armor Grenade | 高爆炸性反装甲手榴弹 |
| HAG | Haggai | 哈盖 |
| HAG | heat-aggregated globulin | 热聚集球蛋白 |
| HAG | Have A Go | 试试看 |
| HAG | HAZMAT Action Guide | HAZMAT行动指南 |
| HAG | Hi And Good | 你好，很好 |