Peter Kaiser (disambiguation)

Peter Kaiser 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