| Term | Full Form | Category |
|---|---|---|
| HGO | Hayes, Grebogi, and Ott | Others |
| HGO | Hazelnut Growers of Oregon | Others |
| HGO | Heavy Gas Oil | Others |
| HGO | Hepatic Glucose Output | Others |
| HGO | Home For Good In Oregon | Others |
| HGO | Houston Grand Opera | Others |
| HGO | Korhogo, Cote d'Ivoire | Others |