HMT may refer to:
Science
Hexamethylenetetramine Histamine N-methyltransferase Histone methyltransferase Host modulatory therapy
Places
Ham Street railway station, England Hang Mei Tsuen stop, Hong Kong Heathmont railway station, Melbourne Hemet-Ryan Airport, California, United States
Organizations and Companies
HMT Limited (Hindustan Machine Tools Limited), an Indian watch manufacturer Several Hochschule für Musik und Theater (disambiguation)
Other
Hamtai language, spoken in Papua New Guinea Royal Navy ship prefixes: His Majesty's Trawler (see trawlers of the Royal Navy) Hired Military Transport, troopship Abbreviation for HM Treasury, United Kingdom