Family name ศรีวันเพ็ญ (ศรีวันเพ็ญ 
, Srisaymoon ) , in the entire world, is a very rare last name. The surname ศรีวันเพ็ญ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Likewise, ศรีวันเพ็ญ is the forename as well as the last name.