Warhammer Fantasy Roleplay or Warhammer Fantasy Role-Play (abbreviated to WFRP or WHFRP) is a tabletop role-playing game set in the Warhammer Fantasy setting, published by Games Workshop or its licensees.

The first edition of WFRP was published in 1986 and later re-published by Hogshead Publishing. The second edition developed by Green Ronin Publishing was published in 2004 by Black Industries. Fantasy Flight Games published a third edition under licence in November 2009. This edition used a new system, retaining few mechanics of the original. Then the fourth edition rooted in the first and second editions was released under licence by Cubicle 7 in 2018.

Warhammer Fantasy Roleplay was first published in 1986 by Games Workshop, Games Workshop's first new publication following the company's purchase by Bryan Ansell around 1985. "Game design and development" was credited to Richard Halliwell, Rick Priestley, Graeme Davis, Jim Bambra, and Phil Gallagher; the art editor was John Blanche. The product was intended as an adjunct to the Warhammer Fantasy Battle tabletop game. A number of Games Workshop publications – such as the Realm of Chaos titles – included material for WFRP and WFB (and the Warhammer 40,000 science fiction setting), and a conversion system for WFB was published with the WFRP rules. Though Games Workshop saw success following the publication of the popular The Enemy Within campaign series a small number of additional supplements (including a character pack, Gamemaster's screen, and the aforementioned Realm of Chaos books), it made the decision to refocus its business. It had found that the miniatures business was more profitable as the table-top RPG scene waned in the 1980s.

Publication of WFRP material was turned over to Flame Publications, a division of Games Workshop focused exclusively on roleplaying, in 1989. Flame published a new series of adventures – the Doomstones campaign adapted from a set of Advanced Dungeons & Dragons modules written by a freelancer – and published the first issue of what was intended to become a monthly or quarterly publication, Warhammer Companion. In 1992, following financial problems, Flame ceased operations. Fan websites continued to publish new material and adaptations of Warhammer Fantasy Battle materials, but no new official material appeared for several years.

Nexus Editrice, one of the main RPG publishers in Italy, asked for a licence from Games Workshop. The game was out of print in English, but Nexus acquired the licence and reissued the edition in Italian, editing the text and including new artwork by artists such as Paolo Parente. The game was released in spring 1994 and won the Best of Show prize at the Lucca Games show, the main game fair in Italy. It had several reprints, both hardback and paperback, and it was followed by the translation of the Enemy Within campaign, a Warhammer Compendium, a Warhammer collection of 28 issues in Italian newspaper kiosks with stories, an Encyclopaedia Albionica about the world of Warhammer and a Warhammer Adventures original board game. This success helped bring new licences soon after, including German and Czech ones, which used Nexus's layout and artwork.

In 1995, British publishing house Hogshead Publishing received a licence to publish new and reprinted WFRP material. Hogshead published a revised edition of the main WFRP rulebook, as well as reprints of the Enemy Within campaign. New supplements also appeared, including the Realms of Sorcery magic supplement and a number of new adventures. Hogshead was subject to a number of restrictions in its rights regarding the WFRP licence; Games Workshop retained extensive editorial control over the line, wanting to ensure that new WFRP material did not contradict the tone and details of the Warhammer Fantasy Battle line.

In 2002, Hogshead owner James Wallis sold his business and returned the WFRP licence to Games Workshop, leaving the future of the game in doubt. Several Hogshead projects were abandoned, including a Skaven supplement and a complete rewrite of the final episode of the Enemy Within campaign.

Black Industries, a newly created division of Game Workshop's Black Library publishing arm, oversaw the publishing and distribution of a new second edition of Warhammer Fantasy Roleplay, designed by Green Ronin Publishing. The second edition uses the same basic system as the first, but revised and updated a number of features of the system including replacing the magic system. The new WFRP also brought the setting up to date with the developments in background story that had taken place in the Warhammer Fantasy Battle game setting since the first edition placing the events of the new edition after the 2004 "Storm of Chaos" campaign for WFB. The new rulebook was released in March 2005, followed by supplements and sourcebooks, including a new epic campaign (the Paths of the Damned series); monster, equipment and setting supplements; and a number of stand-alone adventures.