Nicoletta Grisoni, longer name Nicole Fernande Grisoni-Chappuis, better known by her mononym Nicoletta (born 11 April 1944 in Vongy, now known as Thonon-les-Bains, Haute-Savoie, France) is a French pop singer. Becoming very popular on French radio and television, where she had a number of hits in the 1960s and the 1970s, she was considered as part of what is known as the French yé-yé generation heavily influenced by American music, particularly Rhythm and blues, Rock and roll and Beat music.

She is mostly known for her version of "Mamy Blue". She began her music as a member of her local church choir. She worked for a while in a laundry and at a medical clinic in addition to DJ-ing in the beginning 1960s developing contacts.