MSY or msy can mean:

Places

  • Louis Armstrong New Orleans International Airport (IATA airport code <code>MSY</code>), Kenner, Jefferson, Louisiana, USA; serving New Orleans
  • Massan railway station (station code <code>MSY</code>), Punjab, Pakistan; a train station
  • Merseyside (Chapman code <code>MSY</code>), a county in England, UK
  • The Mount School, York (MSY), England United Kingdom; private Quaker day and boarding school

People

  • Mulayam Singh Yadav (1939–2022; M. S. Y.), Indian politician
  • Moses (given name) ()
  • Masayu (Msy), an Indonesian honorary title found in Sumatra

Other uses

  • Aruamu language (ISO 639 language code <code>msy</code>), a language spoken in Papua New Guinea
  • Maximum sustainable yield (MSY)
  • Massey University School of Aviation (ICAO flight code <code>MSY</code>), New Zealand; see List of airline codes (M)
  • Motor sailing yacht (M.S.Y.), a ship prefix for a yacht that can use a motor for propulsion and also sail
  • Motorola MSY, a radio; see List of Motorola products
  • Million Species Years (MSY), a measurement of Background extinction rate

<!-- * Surgery (bibliographic code <code>msy</code>), a medical journal -->

See also

  • Ms Y, a refugee to Ireland involved in Irish court cases concerning abortion in the 2010s
  • MSYS