Cognomen Kioni (Kioni 
) , in the world, is quite a rare surname. The last name Kioni is characteristic of Kenya, where it is quite a rare surname, the Democratic Republic of the Congo, where it is a rare surname, and the United Kingdom, where it is a very rare surname. Not in comparison with a country's population, this name is the most popular in Kenya, the Democratic Republic of the Congo, and the United States. Very seldom, Kioni is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kioni | Tanzania, Kenya, United States, United Kingdom, Democratic Republic of the Congo |
| jeremiah ng'ayu kioni National Assembly Member for Ndaragwa Constituency (Jubilee Party of Kenya) |
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| jeremiah ngayu kioni Kenyan politician, KE |
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Mr, Kabira, Kelvin, Daniel, Joseph, Nadine, Esther, Mémoire, Stephen, Dominic, Gabriel, Jemimah, Francis, Margaret, Aristote, Christos, Caroline, Boniface, Precious, Rosemary, Ndirangu, Alexander, Benson, Elizabeth, Mwangi, Monica, Ms, Ali, Amy, Guy, Mary, Alex, Paul, Ruth, Glen, Jane, John, Joel, Fred, Susan, Bancy, Kevin, Peter, David, Elias, Helen, Felix, Mmoire, and Annastasia