The 2015 Tour de Wallonie was a five-stage men's professional road cycling race. It was the forty-second running of the Tour de Wallonie. The race started on 25 July in Frasnes-lez-Anvaing, finishing on 29 July in Waremme. The race was won by Niki Terpstra of .
The sixteen teams invited to participate in the Tour de Wallonie were: