Marielle is a French female name, a diminutive of Marie. Notable people with the name include:
Katia and Marielle Labèque, French sisters forming an internationally known piano duo
Marielle de Sarnez (born 1951), French politician and Member of the European Parliament
Marielle Gallo (born 1949), French politician and Member of the European Parliament
Marielle Goitschel (born 1945), former French alpine skier
Marielle Houle, Canadian woman who helped her ailing son Charles Fariala commit suicide
Marielle Jaffe (born 1989), American model and actress
Marielle (singer) (born 1977), Filipino singer and actress (alternate name's Lilet)
Jean-Pierre Marielle (born 1932), French actor
