Family name Sitthitham (Sitthitham 
) , in the world, is a rare surname. The family name Sitthitham is characteristic of Thailand, where it is a rare surname, Singapore, and the United States, where it is an extremely rare surname. Much less frequently, Sitthitham is the forename as well as the last name.
Bo, Phonprapha, Cholthicha, Thanakorn, Duangporn, Ratchakit, Wirachai, Wirasart, Vorathep, Napaporn, Thirayut, Thanakon, Phanuwat, Benjawan, Anuchida, Sujittra, Sawitree, Manthana, Phaphan, Praphan, Pramuan, Buakham, Sirorat, Siramon, Paphai, Kitima, Buppha, Somlak, Sumadi, Manop, Jetsadakorn, and Voraphongsa