Family name ปัญญาวัฒนชัย (ปัญญาวัฒนชัย 
, Panyawatanachai, Phanyawatanachai) , around the globe, is a very rare last name. The family name ปัญญาวัฒนชัย is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.