MOH or Moh may refer to:
- Mohs scale of mineral hardness
- MoH, Montgomery High School, San Diego
- Moh, one of the Five Evils on the Sikhism.
- Ghim Moh, a district in Singapore.
- A former SI unit for the conductance on electrical circuits. Now replaced with Siemens.
- Moh Chelali, a Canadian teacher and politician.
- MOH Radiant, a computer program.
- Medal of Honor, the highest military decoration awarded by the United States.
- Medal of Honor series, a series of video games.
- Music on hold, in telephony.
- Masters of Hardcore, a gabber music label.
- Ministry of Health, Government Ministry for matters concerning Health.
- Masters Of Horror, A Showtime television show
- Museum of Hoaxes, an online hoax museum
