Duchâtel
Duchâtel or du Châtel or du Chastel is a French surname. It may refer to:
- François Duchatel or du Chastel, Flemish painter
- Guigues du Chastel, Carthusian monk and 5th prior of Grande Chartreuse monastery in the 12th century
- Marie Duchatel or du Chastel, painter from the Southern Netherlands
- Tanneguy Duchâtel, French politician, Minister of the Interior in the July Monarchy
- Tanneguy du Chastel, Breton military leader of the Hundred Years' War