Cognomen Penku (Penku 
) , around the globe, is a rare last name. The last name Penku is characteristic of India, where it is a very rare surname, Nigeria, where it is an extremely rare surname, and the United States. Likewise, Penku is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Penku | India, Nigeria, United States, South Africa, Cameroon |