Family name Sudying (Sudying 
) , globally, is a very rare last name. The last name Sudying is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Much less frequently, Sudying is the forename as well as the last name.
Kwanjai, Tasanai, Hunsana, Jaruchit, Uckaradetch, Pattarika, Pongdanai, Narongsak, Kanthikarn, and Phattaranan