Cognomen Орешка (Орешка 
) , globally, is a very rare last name. The cognomen Орешка is characteristic of Belarus, where it is a rare surname, Kyrgyzstan, where it is a very rare surname, and Ukraine, where it is an extremely rare surname. Measured by absolute frequency, it is commonest in Belarus, Kyrgyzstan, and Russia. Much less frequently, Орешка is the forename as well as the last name.