Marie-Pier is a feminine compound given name which may refer to:
Marie-Pier Beaudet (born 1986), Canadian archer Marie-Pier Boudreau Gagnon (born 1983), Canadian synchronized swimmer Marie-Pier Lafontaine, Canadian writer Marie-Pier Pinault-Reid (born 1988), Canadian rugby union player Marie-Pier Préfontaine (born 1988), Canadian alpine skier