Bleibtreu (German: stay loyal) may refer to:
- Georg Bleibtreu (1828-1892), German painter
- 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