Last name אואנה (Oana 
, אואנה 
) , in all the world, is a common cognomen. The cognomen אואנה is habitual in Romania, where it is quite a common surname, Luxembourg, where it is quite a rare surname, and Cyprus. Measured by absolute frequency, it most frequently occurs in Romania, Italy, and Spain. More prevalently, אואנה is the forename as well as the last name.