Bartholomäus is a masculine German given name, the German equivalent of Bartholomew. Notable people with this name include:
Bartholomäus Aich, 17th century South-German organist and composer
Bartholomäus Bernhardi of Feldkirchen (1487–1551), rector and a professor of physics and philosophy at the University of Wittenberg
Bartholomäus Brötzner (born 1957), Austrian wrestler
Bartholomäus Gesius (c. 1562–1613), German theologian, church musician, composer and hymn writer
Bartholomäus Herder (1774–1839), founder of the publishing firm Verlag Herder
Bartholomäus Hopfer (1628–1699), German painter
Bartholomäus Kalb (born 1949), German politician
Bartholomäus Keckermann (c. 1572–1608), German writer, Calvinist theologian and philosopher
Bartholomäus Khöll (1614–1664), imperial master stonemason
Bartholomäus Kilian (1630–1696), German engraver
Bartholomäus Metlinger (15th century), German physician
Bartholomäus Ringwaldt (1532–1599), German didactic poet and Lutheran pastor
Bartholomäus Sastrow (1520–1603), German official, notary, and mayor of Stralsund
Bartholomäus Scultetus (1540–1614), mayor of Görlitz, astronomer, cartographer and compiler
Bartholomäus Zeitblom (c. 1450 – c. 1519), German painter, the chief master of the school of Ulm
Bartholomäus Ziegenbalg (1682–1719), member of the Lutheran clergy and the first Pietist missionary to India
Bartholomäus van der Lake (died 1468), German clergyman and author of a chronicle of the city of Soest
Bartholomäus von Stürmer (1787–1863), Austrian diplomat
Christoph Bartholomäus Anton Migazzi (1714–1803), Prince-Archbishop of Vienna
Johann Heinrich Bartholomäus Walther (1734–1802), Baltic German architect