Cognomen วัยรุ่น (Teen 
, วัยรุ่น, Teened 
) , globally, is quite a common family name. The family name วัยรุ่น is habitual in Malaysia, where it is quite a common surname, Mauritius, where it is quite a rare surname, and Taiwan. Not in comparison with a country's population, it most frequently occurs in Malaysia, Taiwan, and Indonesia. Very seldom, วัยรุ่น is the forename as well as the last name.