The surname Tudor, within the United Kingdom, originates from the Welsh forename , Old Welsh Tutir, the Welsh equivalent of Gaulish Toutorix and Germanic Theodoric, which was conflated with Tewdwr, Tewdr, the Welsh equivalent of Theodore.
Tudor is also a common first name in Romanian, also equivalent to Theodore. Tudor can also be a surname in Romanian.
The English royal dynasty, the House of Tudor (descended from the Welsh Tudors of Penmynydd), including prominent members:
Tudor, as a surname, may also refer to:
As a given name: