Michael Z. Williamson (born 1967) is a science fiction and military fiction author. Born in Birkenhead, England, he and his family emigrated to Canada, then the United States in 1978. "Mad Mike", as he is often known, is retired from the United States military.

Williamson's first book, Freehold, was released in January 2004. The novel is set in a future wherein the United Nations is a fascist empire. Freehold is now available as a free download from the Baen Free Library. Williamson's next novel, The Hero, was written with New York Times best-selling author John Ringo and takes place within the universe of Ringo's Legacy of the Aldenata series. Both Freehold and The Hero were published by Baen Books. He also has many short stories published in various anthologies.

Williamson has written or published several other works: The Weapon, a sequel to Freehold told from a different point of view; Better To Beg Forgiveness, a story set in the Freehold universe but before the Grainne War series and a follow-on book to that with the same characters: Do Unto Others; and Contact with Chaos set 20 years after the events of The Weapon. He has also written the "Target: Terror" series, which includes The Scope of Justice, Targets of Opportunity, and Confirmed Kill.

In his free time Williamson also creates and sells blades and daggers. He is married and has two children.

This author page uses material from the Wikipedia article "Michael Z. Williamson", which is released under the Creative Commons Attribution-Share-Alike License 3.0