MHR

MHR may refer to:


 * the ISO 639 code for Meadow Mari language
 * Matheran Hill Railway
 * Mid Hants Railway
 * Member of the Human Race (M.H.R.), an ironic expression
 * Member of the Australian House of Representatives
 * Member of the New Zealand House of Representatives, used between the 1860s and 1907
 * Montpellier Hérault Rugby, a prominent French rugby union club
 * Muswell Hill Railway
 * Sacramento Mather Airport
 * Mediterranean Historical Review, academic journal
 * MHR (formerly MidlandHR), a UK business
 * Mike Harmon Racing
 * MHR Development, LLC
 * Monster Hunter Rise