| 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 |