Family name Okelo (Okelo 
) , throughout the world, is quite a common surname. The cognomen Okelo is characteristic of Sub-Saharan Africa, particularly Kenya, where it is quite a common surname, Tanzania, where it is quite a rare surname, and Uganda, where it is a rare surname. Measured by absolute frequency, this name is the most popular in Sub-Saharan Africa, particularly Kenya, Tanzania, and Ethiopia. Much less frequently, Okelo is the forename as well as the last name.
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| Okelo | Kenya, Uganda, Tanzania, Nigeria, Ethiopia |
| daudi okelo Christian catechist in Uganda, martyr, blessed, UG (b. 1901) |
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| jared odoyo okelo Kenyan politician, KE |
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| joseph okelo politician in Sudan |
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| gideon b. a. okelo KE |
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| sam okelo |
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| elizabeth mary okelo KE |
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| dominic oduor okelo KE |
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| janet musindalo okelo American-football player (1992-) (b. 1992) |
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Mr, Becky, Brian, Bruce, Bryan, Karyn, Kamis, Kevin, Patra, Peter, Roman, Denis, David, Lemmy, Loyce, Jacob, James, Jared, Joash, Jimmy, Neema, Erick, Caleb, Emily, Agnes, Steve, Ms, Sam, Ron, Roy, Joe, Mary, Meda, Shem, Anne, Auma, Paul, Ruth, John, Tito, Eric, Hawi, Vera, Fred, Moses, Sande, Simon, Alisa, and Henry