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Across the world, Olayinka (Olayinka , Олайинка) is a widespread gender-neutral forename. The forename Olayinka is characteristic of Nigeria, where it is quite a common unisex name, Ireland, where it is quite a rare epicene name, and Libya, where it is a rare epicene name. Measured by absolute frequency, it is commonest in Nigeria, the United States, and the United Kingdom. Likewise, Olayinka is the last name as well as the forename.