Heidemarie is a given name. Notable people with the name include:
Heidemarie Bártová (born 1965), female diver from the Czech Republic
Heidemarie Fuentes, American actress and producer
Heidemarie Hatheyer (1918–1990), Austrian film actress
Heidemarie Stefanyshyn-Piper (born 1963), American Naval officer and former NASA astronaut
Heidemarie Steiner (born 1944), German figure skater and coach
Heidemarie Wieczorek-Zeul (born 1942), German politician (SPD)