MA or Ma or mA might refer to:

In academia

In arts and entertainment

In music

Other media

Businesses and organizations

Ethnic groups

  • Mạ people, a Vietnamese ethnic group
  • Meshwesh (Ma), an ancient Libyan (i.e., Berber) tribe from Cyrenaica

Human names

  • Ma (surname), a common Chinese family name
  • Maria (Mª or Ma.), according to Spanish naming customs
  • Ma Barker (1873-1935), American criminal and mother of criminals
  • Ma Rainey, stage name of early American blues singer Gertrude Pridgett (1886-1939)

In language

In mythology

  • Ma (myth), in Sumerian mythology, that from which the "primeval land" was formed
  • Ma (goddess), a local name for Cybele and additionally an independent Greek goddess
  • Ma, an Anatolian goddess
  • Ma, a mythohistoric entrepreneur for whom the Malaysian town of Marang, Terengganu was purportedly named


In science, technology, and mathematics

In chemistry

In health and medicine

In mathematics


  • Mach number (Ma), a measure of speed compared to the speed of sound
  • Megaannum (Ma), one million (1,000,000) years
  • Milliampere (mA), and Mega-ampere or Megampere (MA), multiples of Ampere, a unit of electric current
  • Myr or Ma, meaning "million years ago"

Other uses in science and technology

Other uses