| Marie Amélie Cogniet | |
| Birth Date: | 5 April 1798 |
| Birth Place: | Paris, France |
| Death Place: | Paris, France |
| Nationality: | French |
| Known For: | Portrait painting |
Marie-Amélie Cogniet (5 April 1798 – 29 April 1869) was a French painter and the sister of Léon Cogniet.
Cogniet was born in Paris, France, as the sister of the painter and art teacher Léon Cogniet, whose works she copied. She specialized in portraiture and showed works at the Paris Salon from 1831.
Her copy of her brother's painting Portrait of Adélaide d'Orléans, then located at Chantilly, was included in the 1905 book Women Painters of the World.[1]
Cogniet died in Paris.