Oluwatoyin Sanni ko Toyin Sanni ma'aikaciyar banki ce na saka jari a Afirka, lauya, sakataren bada haya, dillaliyar jari, kuma marubuciya. A watan Yunin 2018, ta yi murabus daga United Capital. inda ta kasance shugabar Kamfanin sama da shekaru sama da huɗu a watan Yulin 2018, ta zama Shugabar Kamfanin Emerging Africa Capita. An haifi Sanni a shekarar 1965 cikin dangin yara bakwai. Mahaifinta akanta ne kuma mahaifiyarsa tana kasuwanci. Tana da cikakken bangaskiyar kirista. Ta halarci makarantar Queen's, Ibadan sannan ta sami digiri a fannin shari'a daga Jami'ar Ife tana da shekaru 18 (a cikin 1984 ) sannan ta samu BL daga Makarantar Koyon Lauya ta Najeriya, Lagos. Daga baya ta halarci jami’ar Legas inda ta samu digiri na biyu. Sanni ya halarci Makarantar Kasuwancin Makarantar Kasuwancin Harvard, Makarantar Kasuwanci ta Legas, Babban Jami'in Jami'ar Pan-Atlantic da Babbar Shugaban Makarantar Kasuwanci na IESE .  2017 shekara ce mai kyau ga Toyin. Da farko ta lashe kyautar Duk Matan Kasuwancin Afirka na shekara, Yammacin Afirka sannan daga baya ta ci Gwarzuwar Matan Afirka duka na shekara, Afirka a cikin shekarar.