Surname Risper (Risper 
) , globally, is a rare cognomen. The cognomen Risper is characteristic of Kenya, where it is a rare surname, Zambia, and the United States, where it is a very rare surname. More frequently, Risper is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Risper | Zambia, Tanzania, Kenya, Spain, United States |
| risper alaro Kenyan accountant, businesswoman and corporate executive, KE (b. 1974) |
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| risper wanjiru mwangi Kenyan taekwondoin, KE (b. 1977) |
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| risper jemeli kimaiyo Kenyan athletics competitor, KE (b. 1979) |
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| derek risper college basketball player (2006–2007) Eastern Washington |
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| jennifer risper American basketball player, US (b. 1987) |
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| risper biyaki Mexican athlete, MX (b. 1989) |
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Loy, Orangi, Ondijo, Omondi, Otieno, Owambo, Warobi, Wambui, Momanyi, Muriuki, Anyango, Abraham, Achieng, Bosibori, Karanja, Kemunto, Gachara, Nyaboga, Nyabeta, Onyango, Ochieng, Wanjiru, Nkirote, Joseph, Gerald, Kimani, Meme, Maina, Moraa, Mutai, Abuga, Awuor, Kaaya, Kendi, Kirui, Njagi, Adhiambo, Njoki, Wanja, Makori, Mogire, Mwangi, Mwende, Akinyi, Atieno, Karimi, Kerubo, Kubuta, Njeri, and Kwamboka