Michael Z. Williamson (born 1967) is an American military science fiction and military fiction author best known for his libertarian-themed Freehold series published by Baen Books.

As of 2016, Williamson's books had sold half a million copies. Hugo voters ranked Wisdom from My Internet below "No Award".

  • Williamson, Michael Z at The Encyclopedia of Science Fiction
  • Williamson publications at publisher Baen Books