| Acronym | Definition |
|---|
| HK | Hong Kong |
| HK | Heckler and Koch (German gun manufacturer) |
| HK | Harman/Kardon (audio products manufacturer) |
| HK | Hook |
| HK | Hello Kitty (cartoon) |
| HK | Hacker |
| HK | Housekeeping |
| HK | Human Kinetics |
| HK | Hell's Kitchen (TV Show) |
| HK | Hurricane Katrina |
| HK | Hentai Kamen (Japanese manga series) |
| HK | Hyperkalemia (elevated potassium) |
| HK | Hitachi Kokusai (various locations) |
| HK | Hunter-Killer |
| HK | Hexokinase |
| HK | Half Kneeling (exercise) |
| HK | Hara-Kiri |
| HK | Hästkraft (Swedish: horsepower) |
| HK | Harry Kalas (Philadelphia Phillies announcer) |
| HK | Hideo Kojima (Japanese video game director) |
| HK | Hugs & Kisses |
| HK | Harmony Korine (movie director) |
| HK | Hershey's Kisses (chocolate candy) |
| HK | Hive Key (Microsoft registry component) |
| HK | Hari Krishna |
| HK | Hit & Kill |
| HK | Hard Kill |
| HK | Herstellkosten (German: Production Costs) |
| HK | Hostile Kids (gaming clan) |
| HK | Herpes Keratitis (ophthalmological malady) |
| HK | Human Glandular Kallikrein |
| HK | Hefnerkerze (old unit for light measurement) |
| HK | Honor Kill (gaming, World of Warcraft) |
| HK | Holds Confirmed (reservation status) |
| HK | Han-Kobayashi (information coding) |
| HK | Heldannic Knights (gaming, Dungeons & Dragons) |