Surname Kölli (Kölli 
) , all over the world, is a very rare cognomen. The cognomen Kölli is characteristic of Austria, where it is a rare surname, Finland, and Germany, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kölli | Germany, Austria, Finland |
| josef georg kölli Austrian writer, teacher and insurance employee, AT (b. 1896) |
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| martti o. kölli Finnish politician (1910-1985), FI (b. 1910) |
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| gert kölli Austrian swimmer, AT (b. 1940) |
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