Gerritsz or Gerritsz. is an abbreviation of Gerritszoon, a Dutch patronymic surname or patronymic literally meaning "son of Gerrit". It may refer to:
Quiringh Gerritsz. van Brekelenkam (1622–1669), Dutch Baroque genre painter Jan Gerritsz van Bronckhorst (1603–1661), Dutch Golden Age painter and engraver Benjamin Gerritsz Cuyp (1612–1652), Dutch Golden Age landscape painter Eugen Gerritz (1935–2024), German politician Gerrit Gerritsz Cuyp (1565–1644), Dutch Golden Age painter and stained glass cartoon draughtsman Jacob Gerritsz. Cuyp (also spelt Cuijp) (1594–1652), portrait and landscape painter, best known for his portraits Cornelis Gerritsz Decker (1618–1678), Dutch Golden Age landscape painter Gerrit Gerritsz (1465–1495), early Netherlandish painter from the northern Low Countries in the Holy Roman Empire Hessel Gerritsz (1581–1632), Dutch engraver, cartographer, and publisher Jacob Gerritsz. Loef (1605–1683), Dutch Golden Age marine painter Dirck Gerritsz Pomp (1544–1608), Dutch sailor of the 16th–17th century, and the first known Dutchman to visit China and Japan Hendrik Gerritsz Pot (1580–1657), Dutch Golden Age painter, officer of the militia Pieter Gerritsz van Roestraten (1630–1700), Dutch Golden Age painter of still lifes and genre scenes Floris Gerritsz. van Schooten (1585–1656), Dutch painter of still life Maarten Gerritsz Vries (1589–1647), 17th-century Dutch cartographer and explorer Adriaan Gerritsz de Vrije (1570–1643), Dutch Golden Age glass painter
See also Gerritsz Bay, the 4 km wide bay on the north coast of Anvers Island in the Palmer Archipelago, Antarctica Gritz (disambiguation)