Isbert is a surname. Notable people with the surname include:
José Isbert (José Ysbert Alvarruiz, 1886–1966), also known as Pepe Isbert, Spanish actor José Isbert (Madrid Metro), station on Line 3 of the Metro Ligero Margot Benary-Isbert (1889–1979), German and later American writer of children's books María Isbert (1917–2011), Spanish actress Marion Isbert (born 1964), German footballer