| HGST | Human General Systems Theory | 人类一般系统理论 |
| HGST | Helicopter Gunnery Skills Test (US Army) | 直升机枪械技能测试（美国陆军） |
| HGST | Haggard Graduate School of Theology | 哈格德神学研究生院 |
| HGST | HauptgruppenschlÜssel Technik | HauptgruppenschlÜssel Technik |
| HGST | Houston Graduate School of Theology | 休斯顿神学研究生院 |
| HGST | Human Glutathione S-Transferase | 人谷胱甘肽S-转移酶 |
| HGST | High Growth Shares Trust | 高增长股份信托 |
| HGST | High-Speed Ground Transportation | 高速地面运输 |
| HGST | Helicopter Gunnery Skill Test | 直升机枪械技能测试 |
| HGST | Hitachi Global Storage Technologies | 日立环球存储科技公司 |