Charlotte Bonin (French: [ʃaʁlɔt bɔnɛ̃]; born 10 February 1987 in Aosta) is an Italian professional triathlete.

In Italy, Charlotte Bonin represents the Gruppo Sportivo Fiamme Gialle.

At Dunkirk on 23 May 2010, Bonin placed 33rd and was among the three best runners of her club, the triathlètes classants l'equipe; actually, none of the four elite triathletes of Tri Club Nantais was French: Anna Maria Mazzetti placed 7th, Maria Pujol Perez 21st, Charlotte Bonin 33rd and Scarlet Vatlach 42nd.

In 2011, Charlotte Bonin will also represent the elite club EJOT in the German Bundesliga circuit.

[2] In the eight years from 2003 to 2010 Bonin took part in 44 ITU competitions and achieved 14 top ten positions.