MGH

MGH may refer to:


 * Bad Mergentheim (vehicle registration plate), Germany
 * Margate Airport (IATA code), South Africa
 * Massachusetts General Hospital, Boston, US
 * Charles/MGH station, near Massachusetts General Hospital
 * Montreal General Hospital, Canada
 * Michael Garron Hospital, Toronto, Canada
 * Monumenta Germaniae Historica, a series of primary sources pertaining to German and European history
 * Microglandular hyperplasia, a cervical lesion
 * A formulation for calculating gravitational energy near the Earth's surface