What is "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, 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