Family name Sawaddiwong (Sawaddiwong 
) , around the world, is a very rare cognomen. The cognomen Sawaddiwong is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, Sawaddiwong is the forename as well as the last name.
Napat, Samart, Somjit, Tayaluk, Nutnitcha, Kedwadee, Tanyaluk, Nongnoot, Arinsaraluk, and Arinsararuk