Penthouse Forum, sometimes simply Forum, is a magazine owned by FriendFinder Networks, the publishers of Penthouse magazine.
Penthouse Forum was started in March 1970 as a supplement to Penthouse. Unlike the main Penthouse title, Penthouse Forum is more journalistic than pornographic, and features editorials and opinion pieces on controversial contemporary topics. It features regular monthly columns titled "On the Boards", "On the Beltway", and "On the Edge". It also features a section for the "Letter of the Month".
Alastair Campbell, a journalist and Tony Blair's former Director of Communications, was a contributor to the magazine, as was Chad Varah, the founder of The Samaritans charity and an Anglican priest, who was a consultant on sex education for the magazine.
In July 2006 the rights to the UK edition were licensed to Trojan Publishing.