Freehold is a military science fiction novel by Michael Z. Williamson, published in 2004 by Baen Books. The book tells the story of Kendra Pacelli, a young soldier who begins the book in the service of a world-dominant, authoritarian United Nations. Accused of a crime she did not commit, she flees Earth for the Freehold of Grainne where she struggles to adapt to the climate and culture of an ultra-libertarian planet. She eventually joins the Freehold military and fights in a war against a UN invasion.