Surname Deppeler (Deppeler 
) , worldwide, is a rare family name. The surname Deppeler is habitual in Switzerland, where it is quite a rare surname, Australia, where it is a rare surname, and Argentina. Much less frequently, Deppeler is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Deppeler | Switzerland, Australia, United States, Argentina, Denmark |
| rolf deppeler Swiss politician and historian (1926-2011), CH (b. 1926) |
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| stacy deppeler researcher (ORCID 0000-0003-2213-2656) |
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