OMH

OMH may refer to:
 * Omh (trigraph), a Latin-script trigraph used in Irish
 * musicOMH, a music website
 * Office of Minority Health, an office of the United States government
 * The Old Malthouse School, a closed preparatory school in Langton Matravers, Dorset, England
 * Old Market Hall, Shrewsbury, an Elizabethan building in Shrewsbury, Shropshire, England
 * Orange County Airport (Virginia), in Orange County, Virginia, United States
 * Urmia Airport, in Urmia County, West Azerbaijan Province, Iran