Renaud Dion (born 6 January 1978) is a French former professional road racing cyclist, who competed professionally between 2004 and 2013 for the R.A.G.T.

Semences, Ag2r–La Mondiale, Roubaix–Lille Métropole and Bretagne–Séché Environnement teams.

His sporting career began with UC Gien Sport.

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