Last name Dechamplain (Dechamplain 
) , globally, is a rare family name. The surname Dechamplain is characteristic of Canada, where it is a rare surname, New Zealand, and the United States, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Dechamplain | Brazil, United Kingdom, Canada, United States, New Zealand |
| andré-albert dechamplain Canadian Catholic priest, CA (b. 1900) |
|