| 21st constituency of the Nord | |
|---|---|
 National Assembly of France | |
 Nord's 21st constituency shown within Nord-Pas-de-Calais | |
| Deputy | |
| Department | Nord |
| Cantons | Condé-sur-l'Escault (excluding the communes of Escautpont, Fresnes-sur-Escaut, Hergnies, Odomez, Vicq), Valenciennes Est. Communes de : Valenciennes (parts included in the cantons of Valenciennes Nord and Valenciennes Sud), Saint-Saulve |
| Registered voters | 81,076 |
The 21st constituency of the Nord is a French legislative constituency in the Nord département.