Family name Obonyo (Obonyo 
) , all around the world, is a common cognomen. The surname Obonyo is habitual in Sub-Saharan Africa, particularly Kenya, where it is quite a common surname, Uganda, where it is quite a rare surname, and Tanzania. Very seldom, Obonyo is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Obonyo | Tanzania, United States, United Kingdom, Uganda, Kenya |
| marygorret obonyo researcher |
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| charles o obonyo researcher (ORCID 0000-0003-0741-8533) |
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| mark obonyo researcher |
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| julius obonyo Kenyan entomologist, KE |
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| beatrice obonyo researcher |
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Mr, Jeff, June, Tina, Elsa, Emma, Fred, Zack, Moses, Sarah, Simon, Alice, Alvin, Allan, Adria, Cliff, Cindy, Beryl, Belah, Brian, Bryan, Kevin, Joel, Joan, John, Jack, Ms, Ben, Ken, Dan, Dia, Job, Tom, Ivy, Olu, Mary, Perez, Mark, Alex, Amos, Paul, Ruth, Dean, Deus, Doug, Lawi, Levi, Jane, Shem, and Peter