Of Greek origin.

Short form of the names Theodore, Theophanes and other names beginning with “Theo”.

Feminine forms are: Thea, Theodora.

Other forms of the name are: Théo, Ted, Teddy, Teodor, Fedya, Teodoro, Téo.

Famous bearers are Theo Rossi, Theo James, Theo Riddick, Theo Ratliff, Theo Van Gogh, Theo Hutchcraft.

Theo is a popular name in France, Belgium and Sweden.