Peter Kaiser (born 1958) is governor of Carinthia.
Peter Kaiser may also refer to: Peter Kaiser (historian) (1793–1864), statesman and historian from Liechtenstein Peter Kaiser (musher) (born 1987), American dog musher of Yup'ik ancestry Petrus Leopold Kaiser (1788–1848), also called Peter, bishop of Mainz Peter Kaiser, artist and member of the Merioola Group Peter Kaiser, civil partner of New Zealand's first openly gay member of parliament, Chris Carter