Karl John Geary (born May 31, 1972) is an Irish-born American actor and club owner.
Geary was born in Dublin. In 1987, at the age of 15 he moved to the United States; he later obtained a green card in a visa lottery for Irish illegals, and ultimately became a naturalized citizen.
Geary appeared in Madonna's Sex book. His acting roles include Sex and the City, Hysteria – The Def Leppard Story, and Hamlet (2000). He wrote and appeared in Coney Island Baby (2003). He appeared as Coffey in the 2008 horror film The Burrowers. He owns a bar in downtown Manhattan called Scratcher, and previously co-owned another club, the original tiny Cafe Sin-é on St. Mark's Place in the East Village, where he waited on tables alongside Jeff Buckley.
Geary has seven brothers and sisters. In 2003, he married Scottish actress Laura Fraser. They have one daughter, Lila and live in Glasgow, Scotland.