Kaulbach or von Kaulbach is a German surname. Notable people with the surname include:
Anna van Gogh-Kaulbach, Dutch writer and translator Bruno Franz Kaulbach (1880–1963), Austrian Lawyer Charles Edwin Kaulbach (1834–1907), Canadian merchant, ship owner and political figure Frida von Kaulbach (1871–1948), Dutch violinist Friedrich Kaulbach (1822–1903), German painter , German painter, daughter of Friedrich Kaulbach Anton Kaulbach (1864–1934), German painter, son of Friedrich Kaulbach Friedrich August von Kaulbach (1850–1920), German painter, son of Friedrich Kaulbach Henriette Agnete Kitty von Kaulbach, German-Dutch painter , German writer Wilhelm von Kaulbach (1804–1874), German painter Hermann von Kaulbach (1846–1909), German painter, son of Wilhelm von Kolbach
See also Kaulback, a similar surname Kreimbach-Kaulbach, municipality in Rhineland-Palatinate 5491 Kaulbach, an asteroid.