Last name Penikis (Penikis 
) , throughout the world, is a very rare cognomen. The family name Penikis is habitual in Latvia, where it is quite a rare surname, Greece, where it is a rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Penikis | United Kingdom, United States, Latvia, Greece, Brazil |
| gunar penikis geophysicist; prospector of Ross River, Yukon Territory; one of the early explorers (1974-1975) in partnership with A. Kulan of the Rapid Creek area localities (b. 1936) |
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