Surname Karengo (Karengo 
) , throughout the world, is a rare last name. The surname Karengo is characteristic of Kenya, where it is a rare surname, the United Kingdom, where it is an extremely rare surname, and the United States. Much less frequently, Karengo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Karengo | Tanzania, United States, United Kingdom, Kenya |