Theodahad, nke a makwaara dị ka Thiudahad (Latin: Flavius Theodahatus Rex, Theodahadus, Theodatus; amụrụ c. 480 AD na Tauresium <unk> Disemba 536) bụ eze nke Ostrogoths site na 534 ruo 536 na nwa nwanne Theodoric Onye Ukwu site na nne ya Amalafrida. O nwere ike ịbụ nwa nwoke nke di mbụ nke Amalafrida n'ihi na alụmdi na nwunye ya nke abụọ bụ ihe dịka 500 AD. Nwanne ya nwanyị bụ Amalaberga. Ajụjụ: Olee mgbe ọchịchị eze Ostrogoths?
534 ruo 536