Petrus Vuyst or Vuijst (1691, Alkmaar, Netherlands – 19 May 1732, Batavia) was the 20th Governor of Ceylon during the Dutch colonial period. Vuyst was born in Alkmaar as the son of Hendrik Vuyst of Alkmaar (1656–1705) and Maria de Nijs. He returned to the Netherlands for schooling, where he signed in as a student in Leiden in 1711. In Haarlem, he married the local Barbara Wilhelmina Gerlings (1692–1746) in 1714. The couple lived in Leiden where they had one surviving daughter, before leaving for the East Indies on 16 May 1716 on the ship De herstelde Leeuw. He arrived in 1717 in Batavia where he was fiscal lawyer and in 1720 became Extraordinary Council of the Dutch East Indies. Between 1722 and 1724 he was Governor of Dutch Bengal and finally in 1726 was appointed governor of Ceylon.