- Wargnies-le-Petit
- Warhem
- Warlaing
- Warlencourt-Eaucourt
- Warlincourt-lès-Pas
- Warloy-Baillon
- Warluis
- Warlus
- Warluzel
- Warsy
- Warvillers
- Wasnes-au-Bac
- Wasquehal
- Wassigny
- Watigny
- Watten
- Wattignies
- Wattrelos
- Wavignies
- Wavrans-sur-Ternoise
- Wavrechain-sous-Denain
- Wavrechain-sous-Faulx
- Wavrin
- Waziers
- Welles-Pérennes
- Wemaers-Cappel
- Wervicq-Sud
- West-Cappel
- Westrehem
- Wicquinghem