The 1984 Tour de France was the 71st edition of the Tour de France, run over 4,021 km (2,499 mi) in 23 stages and a prologue, from 29 June to 22 July. The race was dominated by the Renault team, who won the team classification and ten stages: Renault's French rider Laurent Fignon won his second consecutive Tour, beating former teammate Bernard Hinault by over 10 minutes.

The Tour de France is an annual men's multiple-stage bicycle race held primarily in France. It is the oldest of the three Grand Tours and is generally considered the most prestigious.