For UK Parliamentary and Police and Crime Commissioner elections, you need to take photo ID to confirm your identity before you can vote.
Ar gyfer Etholiadau'r Comisiynydd Heddlu a Throseddu ac Etholiadau Seneddol y DU, mae angen i chi dynnu llun adnabod i gadarnhau pwy ydych cyn y gallwch bleidleisio.