Surname Oha (Oha 
, Оха 
) , worldwide, is a common last name. The cognomen Oha is characteristic of Nigeria, where it is quite a rare surname, Japan, and Peru. Measured by absolute frequency, it is the most numerous in Nigeria, Japan, and Indonesia. Likewise, Oha is the forename as well as the last name.
| annette oha DE (b. 1965) |
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| anthony oha college basketball player (2005–2006) Prairie View |
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| ugo oha basketball player, US (b. 1982) |
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