| HackMaster | 2001 | Kenzer & Company | United States |
| Halcyon | 2008 | — | — |
| Happy Birthday, Robot! | 2010 | — | — |
| Haven: City of Violence | 2003 | — | — |
| Hawkmoon | 1986 | Chaosium | United States |
| Headspace | 2016 | — | — |
| Hearts & Souls | 2006 | — | — |
| Heaven & Earth | 1998 | — | — |
| Heavy Gear | 1994 | Dream Pod 9 | United States |
| Heavy Metal | 1991 | — | France |
| Heimot | 2006 | — | — |
| Hellboy Sourcebook and Roleplaying Game | 2002 | — | — |
| Hellcats & Hockeysticks | 2009 | — | — |
| Hellywood | 2008 | Éditions John Doe / Chibi | France |
| Hercules & Xena Roleplaying Game | 1998 | West End Games | United States |
| Heredium | 2008 | 13Mann | Germany |
| HERO System | 1990 | Hero Games | United States |
| Hero Wars | 2000 | Issaries, Inc. | United States |
| Heroes | 1979 | — | — |
| Heroes & Hardships | 2023 | — | — |
| Heroes of Olympus | 1981 | — | — |
| Heroes Unlimited | 1984 | Palladium Books | United States |
| HeroQuest | 2003 | Issaries, Inc. | United States |
| Hidden Kingdom | 1983 | — | — |
| High Adventure Cliffhangers Buck Rogers Adventure Game | 1993 | TSR | United States |
| High Adventure Role Playing | 2003 | Iron Crown Enterprises | United States |
| High Colonies | 1988 | — | — |
| High Fantasy | 1978 | Fantasy Productions | Germany |
| Hillfolk | 2013 | Pelgrane Press | United States |
| His Majesty the Worm | 2023 | — | — |
| Hollow Earth Expedition | 2006 | — | — |
| Hollyworld | 2002 | — | — |
| Honey Heist | 2017 | — | — |
| Hong Kong Action Theatre! | 1996 | — | — |
| Honor + Intrigue | 2012 | — | — |
| Horrifique | 2022 | — | Belgium |
| Hot War | 2008 | Cubicle 7 | United Kingdom |
| Houses of the Blooded | 2008 | John Wick Presents | United States |
| How We Came To Live Here | 2010 | — | — |
| Humanydyne | 2006 | — | France |
| Hungry Desperate and Alone | 2005 | self-published work | — |
| Hunter Planet | 1986 | — | Australia |
| Hunter: The Reckoning | November 1999 | White Wolf Publishing, Renegade Game Studios | United States |
| Hunter: The Vigil | 2008 | White Wolf Publishing | United States |
| Hurlements | 1989 | Dragon Radieux | France |
| Hystoire de Fou | 1998 | Nestiveqnen | France |
| Hârn | 1983 | Columbia Games | United States |
| HârnMaster | 1986 | Columbia Games, Keléstia Productions | United States |
| Héros & Dragons | 2017 | — | France |