Cognomen اونا (Ona 
, Oona 
, اونا 
) , in the world, is a common last name. The surname اونا is habitual in Equatorial Guinea, where it is quite a common surname, Gabon, and Albania. Measured by absolute frequency, it most frequently occurs in Nigeria, Philippines, and the Democratic Republic of the Congo. Also, اونا is the forename as well as the last name.