Cognomen Sitthinon (Sitthinon 
) , globally, is a very rare last name. The family name Sitthinon is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Much more frequently, Sitthinon is the forename as well as the last name.
Pupan, Chotiweerachaikul, Khamthong, Phothirak, Thinprasart, Nantawong, Ousamanee, Suriyasoros, Aphichaikham, Chaiphidet, Khumnungsak, Petchmanee, Pittayarojanakul, Phongraktham, Rattanarak, Tassanasomboon, Chareonkitwayo, Chamnanphai, Rotchanamethakun, Rungjarassiri, Sutthithammanon, Sutthamongkhon, Visutthi, Thaithong, Limprukkasem, Phrommak, Meesat, Sangbi, Samnao, Chiran, Boonya, Pimsan, Nirotkonsuk, Sangply, Sanurak, Saingam, Charoenkitwayo, Senneam, Ketkaew, Promrat, Phrarot, Detaran, Dokburan, Jansriya, Tarnkam, Thrirat, Sokuntut, Kaewjeen, Chankan, and Tangcharoenphatthana