Bleibtreu () is a German surname. Notable people with the surname include: Georg Bleibtreu (1828–1892), German painter Gisela Bleibtreu-Ehrenberg (1929–2025), German sociologist, ethnologist, sexologist, and writer Hedwig Bleibtreu (1868–1958), Austrian actress Karl Bleibtreu (1859–1928), German writer Marcel Bleibtreu (1918–2001), French activist and theorist Monica Bleibtreu (1944–2009), Austrian actress Moritz Bleibtreu (born 1971), German actor, son of Monica