Family name Regasa (Regasa 
) , in the world, is a common cognomen. The family name Regasa is characteristic of Ethiopia, where it is quite a common surname, Lebanon, where it is a rare surname, and Philippines. Measured by absolute frequency, this name is the most popular in Ethiopia, Philippines, and Saudi Arabia. More frequently, Regasa is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Regasa | Ethiopia, Sudan, Philippines, Saudi Arabia, Lebanon |
| rediet takele regasa researcher (ORCID 0000-0003-4610-1061) |
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| melkamu b regasa researcher |
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| shume chaltu regasa Ethiopian athletics competitor, ET (b. 1996) |
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Mamo, Diriba, Girima, Tamene, Tadese, Feyisa, Meseret, Solomon, Alemitu, Aberash, Abebech, Brihanu, Birhanu, Gemechu, Teshome, Mulugeta, Mulunesh, Betelihem, Getachew, Tesifaye, Tirunesh, Zenebech, Degefa, Debebe, Dereje, Kebede, Mulu, Sige, Daba, Guta, Gete, Lema, Meaza, Alemu, Abera, Abebe, Alemayehu, Asefa, Dawit, Genet, Girma, Gizaw, Nguse, Hailu, Yeshi, Mulatu, Beyene, Bogale, Chala, and Weriqinesh