In all the world, สิริวันเพ็ญ (สิริวันเพ็ญ 
) is a very rare largely female, but uncommonly masculine first name. The first name สิริวันเพ็ญ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare mostly female, but infrequently boy's name. Also, สิริวันเพ็ญ is the last name as well as the forename.