MBH and variant capitalisations can refer to:

  • Movimiento de Bases Hayistas (Spanish), see Hayist Bases Movement
  • A unit of power - a thousand BTUs per hour
  • "mbH" (‹See Tfd›German: mit beschränkter Haftung) see Gesellschaft mit beschränkter Haftung
  • Mbh, abbreviation for Mahabharata used in citations
  • MBH Architects
  • Maryborough Airport (Queensland), IATA airport code "MBH"
  • The Morita-Baylis-Hillman reaction