Theobald is a Germanic dithematic name, composed from the elements theod- "people" and bald "bold". The name arrived in England with the Normans.
The name occurs in many spelling variations, including Tybalt (Shakespeare), in French Thibaut, , Thibeault, Thiébaut (etc.), in Italian as Tebaldo, in Spanish and Portuguese as Teobaldo and in Irish as Tiobóid and in Hungarian Tibold.
People called Theobald include: