Family name Duchastel (Duchastel 
) , in the entire world, is a very rare last name. The family name Duchastel is habitual in Finland, where it is a very rare surname, Canada, and France. In absolute terms, this name is the most popular in Canada, France, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Duchastel | Finland, Canada, France, United States |
Du Chastel, Du Châtel, Duchatel, and Duchâtel
| marie duchastel (b. 1652) |
|
|
| jacques-jean-baptiste duchastel-berthelin French politician, FR (b. 1756) |
|
|
| gaspard-séverin duchastel French deux-sèvres and politician, FR (b. 1766) |
|
|
|
jules duchastel Canadian sociologist, CA (b. 1943) |
|
| simon duchastel BE (b. 1926) |
|
|
| y duchastel researcher |
|