| Birth Date: | 12 March 1907 |
| Birth Place: | Paris, France |
| Death Place: | Vielle-Saint-Girons, France |
Gilberte Mortier (12 March 1907 – 18 January 1991) was a French freestyle swimmer. Mortier competed in the 1924 Summer Olympics. In 1924, she was a member of the French relay team which finished fifth in the 4 x 100 metre freestyle relay competition. In the 400 metre freestyle event, she was eliminated in the first round.[1]