RHH

RHH may refer to:


 * Real Husbands of Hollywood, a reality TV show
 * Restore Hetch Hetchy, an environmental organization focused on the Hetch Hetchy Valley in Yosemite National Park
 * The Reverend Horton Heat, an American psychobilly band and the nickname of its leader, Jim Heath
 * Royal Hobart Hospital, a hospital in Tasmania