Cognomen Phana (พนา 
, Phana 
, พณา ) , throughout the world, is a rare family name. The cognomen Phana is characteristic of Thailand, where it is a very rare surname, Cambodia, and India. Not in comparison with a country's population, the name is most common in India, Thailand, and South Africa. More prevalently, Phana is the forename as well as the last name.