The 2015 La Flèche Wallonne was the 79th edition of the La Flèche Wallonne one-day cycling classic. It took place on 22 April and was the twelfth race of the 2015 UCI World Tour. La Flèche Wallonne is the second of the three Ardennes classics; it comes three days after the Amstel Gold Race (won in 2015 by Michał Kwiatkowski) and four days before the Liège–Bastogne–Liège. The defending champion in the race was Alejandro Valverde (Movistar Team).