Family name Phatthanawit (พัฒนวิชญ์ 
, Phatthanawit , พัฒนวิจิตร ) , all over the world, is a very rare last name. The family name Phatthanawit is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Likewise, Phatthanawit is the forename as well as the last name.