Around the globe, พิชัยศิริ (พิชัยศิริ 
, Pichaisiri ) is a very rare mostly male, but infrequently girly first name. The given name พิชัยศิริ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare mostly masculine, but infrequently feminine name. More frequently, พิชัยศิริ is the last name as well as the forename.