Theobald \the(o)-ba-ld\ as a boy's name is of Old German origin, and the meaning of Theobald is "brave people". Literary: the variant Tybalt is the name of an important character in Shakespeare's "Romeo and Juliet".

Theobald has 16 variant forms: Dietbald, Dietbold, Ted, Teddy, Teobaldo, Thebault, Theo, Thibaud, Thibault, Thibaut, Tibold, Tiebold, Tiebout, Tybald, Tybalt and Tybault.