Last name Efa (Efraim 
, Efa 
, Эфа 
) , all around the world, is a common cognomen. The family name Efa is habitual in Namibia, where it is quite a common surname, Cyprus, and Cameroon, where it is quite a rare surname. Measured by absolute frequency, it is commonest in Indonesia, China, and Ethiopia. Likewise, Efa is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Efraim | China, Indonesia, Philippines, Tanzania, Brazil |
| Efa | China, Indonesia, Ethiopia, Philippines, Brazil |
| Эфа | Kyrgyzstan, Kazakhstan, Russia |
| Ivast | India |
| menic efa Gabonese taekwondoin, GA |
|
|
| josé ángel efa Equatoguinean footballer (b. 1992) |
|