Family name เพน (Phen 
, เพน ) , worldwide, is quite a rare cognomen. The cognomen เพน is habitual in Bermuda, where it is quite a common surname, Malaysia, where it is quite a rare surname, and Hong Kong. Measured by absolute frequency, the name is most common in South-eastern Asia, particularly Indonesia, Malaysia, and Myanmar. Likewise, เพน is the forename as well as the last name.