HGSS
| Acronym | Definition |
|---|---|
| HGSS | HeartGold and SoulSilver (Pokémon gaming) |
| HGSS | Hampstead Garden Suburb Synagogue (London, England, UK) |
| HGSS | Homantin Government Secondary School (Hong Kong) |
| HGSS | Hermione Granger, Severus Snape (Harry Potter) |
| HGSS | Hellfire Ground Support System |
| HGSS | High Grade Stainless Steel |