Last name จารุเพ็ญ (จารุเพ็ญ 
, Charuphen , Jarupen ) , globally, is a rare cognomen. The cognomen จารุเพ็ญ is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Also, จารุเพ็ญ is the forename as well as the last name.