Family name 柯纳 (Koerner 
, 柯纳 
) , all over the world, is a common last name. The family name 柯纳 is habitual in Germany, where it is quite a rare surname, Austria, and Israel. Measured by absolute frequency, it most frequently occurs in Germany, the United States, and Austria. Much less frequently, 柯纳 is the forename as well as the last name.