Surname Unya (Unya 
, Уня 
) , all over the world, is quite a rare family name. The last name Unya is habitual in Malaysia, where it is a rare surname, Nigeria, and the Democratic Republic of the Congo. In absolute terms, the name is most common in Nigeria, India, and the Democratic Republic of the Congo. Likewise, Unya is the forename as well as the last name.