Theo (disambiguation)

Theo is a feminine and masculine given name and nickname.

Theo may also refer to:

Geography

 * Theo, Mississippi, United States, a populated place
 * Théo River, a tributary of the Turgeon River in Quebec, Canada

People with the surname

 * Allan Théo, French singer born Alain Rouget in 1972
 * Louise Théo, French operetta singer Cécile Piccolo (1854–1922)
 * Michael Theo (formerly Theoklitos) (born 1981), Australian soccer goalkeeper

Arts, entertainment, and media

 * Theo (film), a 2013 film starring Dakota Johnson
 * Theo, a lion in the live-action PBS Kids series Between the Lions

Other uses

 * THEO (Testing the Habitability of Enceladus's Ocean), a proposed spacecraft mission
 * Theo (dog) (2009–2011), a British Army bomb-detection dog awarded the 2012 Dickin Medal for bravery
 * Theo Chocolate, a chocolatier in Seattle, Washington, US
 * Theo, also known as "ADT", short for "theoretical loss" or "Average Daily Theoretical", a calculation used to determine gamblers' casino comps