Surname Trepagnier (Trepagnier 
) , in all the world, is a rare family name. The family name Trepagnier is habitual in the United States, where it is a rare surname, Canada, where it is a very rare surname, and the United Kingdom.
| VARIANT | COUNTRY |
|---|---|
| Trepagnier | United Kingdom, Venezuela, United States, Canada |
| jeff trepagnier American basketball player, US (b. 1979) |
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| patricia anne trepagnier Peerage person ID=598361 |
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| carl trepagnier Peerage person ID=598362 |
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