Family name Каб (Kab 
, Каб 
, Ka'Ab ) , worldwide, is quite a common cognomen. The last name Каб is habitual in Algeria, where it is quite a rare surname, Morocco, and Lebanon. Measured by absolute frequency, this name is the most popular in Algeria, Morocco, and Malaysia. Much less frequently, Каб is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kab | Morocco, Algeria, Malaysia, Bangladesh, Democratic Republic of the Congo |
| Каб | Kyrgyzstan, Kazakhstan, Ukraine, Russia |
| Ka'Ab | Malaysia |