Cognomen Thunyanuch (Thunyanuch 
) , worldwide, is an extremely rare surname. The last name Thunyanuch is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. More prevalently, Thunyanuch is the forename as well as the last name.
Pinsuwan, Attavinijtrakarn, Chowichian, Phanbutre, and Rungchindaporn