Family name Arefu (Arefu 
) , in the entire world, is a rare cognomen. The family name Arefu is habitual in Ethiopia, where it is a rare surname, and China, where it is a very rare surname. Also, Arefu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Arefu | Ethiopia, United States, Japan, India, China |