Cognomen Chepkorir (Chepkorir 
) , across the world, is quite a common last name. The last name Chepkorir is habitual in Kenya, where it is quite a common surname, United Arab Emirates, where it is a rare surname, and the United States, where it is an extremely rare surname. Much less frequently, Chepkorir is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Chepkorir | Kenya, Norway, United Arab Emirates, Spain, United States |
| edith chepkorir researcher (ORCID 0000-0001-9658-0959) |
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| priscilla chepkorir researcher |
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| milka chepkorir advocate for indigenous peoples' rights, KE (b. 1990) |
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Ms, Lydia, Janet, Joyce, Nancy, Naomi, Nelly, Edith, Emily, Vicky, Viola, Fancy, Faith, Irine, Winny, Zhena, Maggie, Milcah, Sandra, Sharon, Sheila, Stella, Loice, Linda, Leona, Laura, Ann, Joy, Mary, Rael, Rose, Giro, Lily, Joan, Judy, Emmy, Carren, Mercy, Sally, Susan, Agnes, Caren, Betty, Karen, Kirui, Peris, Daisy, Diana, Milka, and Brenda