Theodoric was a first name frequently encountered in medieval European history. It is sometimes spelled Theoderic, Theudoric, Theuderic, or Theuderich. The French form is Thierry; the German, Dietrich; the Dutch, Dirk, Diederik, Derrick, or Dierik; the Spanish Teodorico; and the original Gothic, Thiudreiks.

• Theodoric I (died 451), king of the Visigoths
• Theodoric II (died 466), king of the Visigoths
• Theodoric the Great (454-526), ruler of the Ostrogoths, Italy, and the Visigoths
• Theuderic I (died ca. 534), Frankish king
• Theuderic II (587-613), Frankish king
• Theuderic III (died 691), king of the Franks
• Theuderic IV (died 737), king of the Franks
• Theodoric Strabo (died 481)
• Antipope Theodoric (died 1102)
• Theodoric of Chartres (12th century)
• Theodoric of Freiberg (14th century), theologian and scientist
• Theodoric of York, Saturday Night Live character by Steve Martin

Theoderich | Théodoric | Teodorico | תאודוריק | Theoderich | Teodoryk | Teodorico | Теодорих | Theoderik