HGN
| Acronym | Definition |
|---|---|
| HGN | Horizontal Gaze Nystagmus |
| HGN | Home Gambling Network |
| HGN | Mae Hong Son, Thailand - Mae Hong Son (Airport Code) |
| HGN | Harligen (Amtrak station code; Harligen, TX) |
| HGN | Heralds of Good News (Catholic missionary society) |
| HGN | Healthy Gay Nottingham (UK) |
| HGN | Hildebrand Grid Nebulizer |