Fabricius (Latin: smith, German: Schmied, Schmidt) is a surname. Notable people with the surname include:
people from the Ancient Roman gens Fabricia:Gaius Fabricius Luscinus, the first of the Fabricii to move to RomeJohann Goldsmid (1587–1616), known by his Latinized name Johann Fabricius, and son of David Fabricius (1564–1617). Astronomer who discovered the variability of the star Mira Ceti in 1596.Carel Fabritius (sometimes spelled Fabricius, 1622–1654), Dutch painterDavid Fabricius (1564–1617), German theologian and astronomer, discoverer of the variable star MiraErnst Fabricius (1857–1942), German historian, archaeologist and classical scholarGeorg Fabricius (1516–1571), German poet, historian and archaeologistHieronymus Fabricius or Girolamo Fabrizio (1537–1619), Italian anatomistHildanus Fabricius (Wilhelm Fabry) (1560–1634), German anatomist and surgeonJohan Fabricius (1899–1981), Dutch writer, journalist and adventurerJohann Albert Fabricius (1668–1736), German classical scholar, publisher, and librarianJohann Phillip Fabricius (1711–1791), German Christian missionary in southern IndiaJohan Christian Fabricius (1745–1808), Danish botanist and entomologistJohannes Fabricius, (1587–1615) Frisian astronomer, discoverer of sunspots, son of David FabriciusNanna Øland Fabricius (1985–) Danish singer-songwriter, great-great-granddaughter of Otto FabriciusOtto Fabricius (1744–1822) Danish missionary, naturalist, ethnographer and explorer of GreenlandPhilipp Conrad Fabricius (1714–1774), German botanistWerner Fabricius, German composer, father of Johann Albert FabriciusWilhelm Fabricius, German ambassador to Romania under HitlerAlexander Carpenter, Latinized Fabricius, (fl. 1429), English religious philosopher and author