Cognomen Costenbader (Costenbader 
) , in the world, is a rare family name. The family name Costenbader is habitual in the United States, where it is a very rare surname, Venezuela, where it is an extremely rare surname, and Canada.
| VARIANT | COUNTRY |
|---|---|
| Costenbader | Venezuela, United States, Canada |
| frank d. costenbader American physician, US (b. 1905) |
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| elizabeth costenbader researcher (ORCID 0000-0002-5104-7672) |
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| karen h costenbader researcher |
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