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OMG may refer to:

  • Oh My God, Oh my Goodness, Oh my Gosh, or Oh my Golly, a common abbreviation used in SMS language, instant messaging and other internet communication
  • Magnesium oxide
  • Omega




  • OMG! Magazine, a news, entertainment and lifestyle magazine
  • OMGcon, an annual anime and gaming convention in Paducah, Kentucky, United States
  • OMG particle, an ultra-high-energy cosmic ray observed on the evening of 15 October 1991
  • OM Group, a chemistry firm based in Cleveland, Ohio, United States, stock symbol NYSE:OMG
  • OpenMG file format's filename extension
  • OMG – Oh My God!
  • Oh My Goddess!, a manga

See also[edit]