Cognomen ศรีเพ็ญ (ศรีเพ็ญ 
, Sripen 
, Sriphen 
) , all over the world, is quite a rare family name. The family name ศรีเพ็ญ is characteristic of Thailand, where it is quite a rare surname, and the United States, where it is an extremely rare surname. Likewise, ศรีเพ็ญ is the forename as well as the last name.