MOH or Moh or MoH or similar may refer to:

• Moh, one of the Five Evils of Sikhism
• Moh Chelali, an Algerian/Canadian teacher and politician
• MOH Radiant, a map-making computer program
• Ghim Moh, a district in Singapore
• Móh, the Hungarian name for Mohu village, Șelimbăr Commune, Sibiu County, Romania
• Magnesium hydroxide, Mg(OH)₂, called milk of magnesia
• Masters of Hardcore, an indie gabber music label
• Masters of Horror, a one-hour horror anthology TV-series which aired on Showtime
• Medal of Honor, the highest military decoration awarded by the United States government
• Medal of Honor (series), a series of first-person shooter video games set in World War II
• Medical Officer for Health
• Medication overuse headache
• Ministry of Health
• Mohs scale of mineral hardness
• Montgomery High School, San Diego
• Museum of Hoaxes
• Music on hold, the practice of playing pre-recorded music in telephony
• On-hold messaging, or messages on hold
• Motor Oil, a company with stock symbol MOH on the Athens Stock Exchange

Moh (Sanskrit muh: “to become stupefied, to be bewildered or perplexed, to err, to be mistaken”) stands in ancient texts for perplexity or confusion as also for the cause of confusion, that is, avidya or ajnana (ignorance or illusion). It is called aaskti "आसक्ति" in Hindi, which have been considered a root cause for राग द्वेष all the sorrows in life, in Hindu religious texts itself is a cause of ignorance अज्ञान which is due to worldly illusion माया (maya). In another context, it stands for “the snare of worldly illusion, infatuation.” Its function is twofold: it bedims the discernment of truth, prevents the discernment of reality, and it creates an error of judgement or leads to wrong knowledge (mithya jnana). Humans believe in an eternal reality of their own existence or ego; they see truth in what is false and seek happiness in what begets suffering.