Surname Troutner (Troutner 
) , worldwide, is a rare last name. The cognomen Troutner is habitual in the United States, where it is a rare surname, Israel, and Canada, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Troutner | Canada, Israel, United States, United Kingdom, Venezuela |
| art troutner American architect (b. 1922) |
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| jill troutner American biathlete, US (b. 1971) |
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