Tudur (), from old Welsh , is the Welsh form of the given name Theodoric and may refer to:

• , king of (fl. 6th century)

• (Theodoric the Old), eponymous founder of the Tudor dynasty

• (died 1367), Welsh landowner, soldier and administrator of the Tudors of Penmynydd family

• (c. 1357 – 1405), participated in the rebellion of his brother,

• (fl. second half of the 14th century), a Welsh language poet

• (1420–1490), Welsh-language poet

• (1465–1525), late medieval Welsh poet, born in , Denbighshire

• (1457–1509), the Welsh-language name for Henry VII of England (r. from 1485)

• (1522–1602), Welsh-language poet

• R. Tudur Jones (1921–1998), Welsh nationalist and Calvinist theologian

• Owain Tudur Jones (born 1984), Welsh international footballer

See also

• Tudor (disambiguation)

• Pandy Tudur, village in the county borough of Conwy, north Wales