Cognomen Courchaine (Courchaine 
) , in the world, is a rare surname. The last name Courchaine is characteristic of Canada, where it is a rare surname, New Zealand, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Courchaine | Netherlands, Canada, Israel, New Zealand, United States |
|
adam courchaine Canadian ice hockey player, CA (b. 1984) |
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|
adam courchaine Canadian ice hockey goaltender, CA (b. 1989) |
|
| stu courchaine college basketball player (1956–1958) Xavier |
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