Jacobsz is a surname. Notable people with the surname include:
Dirck Jacobsz (1496–1567), Dutch Renaissance painter Francois Paul Jacobsz, South African politician Jan Jacobsz Graeff (1570/75 – after 1620), Dutch patrician Lambert Jacobsz (1598–1636), Dutch painter and preacher Laurens Jacobsz van der Vinne (1712– 1742), Dutch painter