Family name มิถุนา (Mithuna 
, Mituna 
, Muntha 
) , in the entire world, is quite a rare cognomen. The family name มิถุนา is characteristic of Ethiopia, where it is quite a rare surname, India, where it is a rare surname, and Thailand. In absolute terms, it is the most numerous in India, Ethiopia, and Bangladesh. Also, มิถุนา is the forename as well as the last name.