H
| Abbreviation | Meaning |
|---|---|
| Hally | |
| HAM | Humans Against Monsters |
| Hax | Hack; To cheat (most often used as a joke, but also a term for account theft or abusing bugs) |
| Haxor, Hacks | A player who "hacks" or is an expert internet user (most often used as a joke, as above) |
| Hellies, Hells, HH | Hellhounds |
| Helm | Helmet |
| Hemmy, Hemi | Hemenster, Heim crab |
| Herb/Herby | Herblore |
| Hex | |
| HHB | |
|
Hilt |
|
| Hillies, Hills, Hillys | Hill giants |
| Hop | To exit to the lobby and then change worlds |
| HP | Hitpoints. Could be used to refer to a player's Constitution level, an amount of Lifepoints, or to Hitpoints as it was before the 3 March 2010 updates |
| HPK | Honour PKing (See also: NH) |
| HT | Home teleport |
| Hybrid | A player who trains all combat skills |