Charlotte Laëtitia Julie Bonnet Desplanches (née Bonnet; born 14 February 1995) is a French former swimmer, who won a bronze medal at the 2012 Summer Olympics. Bonnet was born in Enghien-les-Bains, Paris. Her 4 à200 m freestyle team won the bronze medal in a time of 7:47.49 (Camille Muffat 1:55.51; Bonnet 1:57.78; Ophélie-Cyrielle ÃÂtienne 1:58.05; Coralie Balmy 1:56.15).
On 1 January 2013, Bonnet was made a Knight (Chevalier) of the French National Order of Merit.
In the Autumn of 2019 she was member of the inaugural International Swimming League swimming for the Energy Standard International Swim Club, who won the team title in Las Vegas, Nevada, in December. In the Las Vegas final, she won the 200m Freestyle with a time of 1:52.88.
Bonnet is married to Swiss swimmer Jérémy Desplanches.