H2
| Acronym | Definition |
|---|---|
| H2 | How To |
| H2 | Hydrogen (chemistry) |
| H2 | Halo 2 (video game) |
| H2 | History 2 (Canadian TV channel) |
| H2 | Hollywood Squares (TV game show) |
| H2 | Histamine 2 (also seen as H-2) |
| H2 | Hummer 2 (SUV) |
| H2 | Half Two (fiscal year second half) |
| H2 | Heretic 2 (game) |
| H2 | Heading Size 2 (HTML) |