Rex Mundi

Rex Mundi is Latin for King of the World.

Rex Mundi may also refer to:


 * Rex Mundi (comics), an American comic book series
 * Rex Mundi (Malibu Comics), a fictional character in Malibu Comics' Ultraverse imprint
 * Rex Mundi High School, a former Catholic high school in Evansville, Indiana, USA
 * Rex Mundi, a DJ signed to Armada Music
 * The evil God in Cathar cosmology