Pieter is a male given name, the Dutch form of Peter, and may refer to:
Sint Pieter, a village now incorporated in Maastricht
Sint-Pieters, a suburb of Bruges
Pieterburen, a village in the north of Groningen
Pieter de Coninck (?-1332), Flemish revolutionary
Pieter Bruegel the Elder (c 1525-1569), Netherlandish painter
Pieter Brueghel the Younger (1564–1633), Netherlandish painter
Pieter Corneliszoon Hooft (1581–1647), Dutch historian
Peter Stuyvesant (originally Pieter) (c. 1612–1672), Director-General of the colony of New Netherland (New York)
Pieter de Hooch (1629–1684), Dutch painter
Pieter Pauw (1564–1617), Dutch botanist
Pieter Burmann the Elder (1668–1741), Dutch classical scholar
Pieter Burmann the Younger (1714–1778), Dutch philologist
Pieter van Maldere (1729–1768), South-Netherlandish composer
Pieter Zeeman (1865–1943), Dutch physicist
Pieter Willem Botha (1916–2006), President of South Africa
Pieter van Vollenhoven (1939), the husband of princess Margriet of The Netherlands
Pieter van den Hoogenband (1978), Dutch Olympic swimmer
Pieter Gruijters (1967), Dutch Paralympic athlete
Pieter Gerardus van Overstraten (1755–1801), Governor-general of the Dutch East Indies
Pieter Vanden Bos (born 1961), Canadian football player