MHG or mhg may refer to:
Organisations Moscow Helsinki Group, a human rights organization in Russia Morgans Hotel Group, an operator of hotels Meredian Holdings Group, a biopolymer manufacturer
Other uses Middle High German, a period in the history of the German language Mannheim City Airport (IATA code), Germany Marrgu language (ISO 639 code), an extinct Aboriginal language Monster Hunter Generations Miina Härma Gymnasium, a school in Tartu, Estonia
See also Mars Hill Graduate School (MHGS), the former name of the Seattle School of Theology & Psychology, US