W
- (Oise) Warmaise
- (Oise) Wagicourt
- (Pas-de-Calais) Warcove
- (North) Wez Macquart
- (North) Wazemmes
- (North) Wattines
- (North) Warpont
- (Somme) Witainéglise
- (Somme) Wiry-au-Val
- (North) Willies
- (Pas-de-Calais) Willametz
- (Somme) Wiencourt-l'Équipée
- (Pas-de-Calais) Westbécourt
- (Pas-de-Calais) Wavrans-sur-l'Aa
- (Pas-de-Calais) Wavans
- (North) Wattignies-la-Victoire
- (North) Wattiessart
- (Pas-de-Calais) Watterdal
- (Somme) Wattebléry
- (Somme) Wathiéhurt
- (Pas-de-Calais) Warnecque
- (Pas-de-Calais) Warne
- (Pas-de-Calais) Warlez
- (Pas-de-Calais) Warincthun
- (Somme) Warfusée-Abancourt
- (North) Warendin
- (Somme) Wanel
- (Pas-de-Calais) Wandonne
- (Pas-de-Calais) Wamin
- (Pas-de-Calais) Wamin