Cognomen Sarunyou (Sarunyou 
) , around the world, is an extremely rare surname. The cognomen Sarunyou is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Much more frequently, Sarunyou is the forename as well as the last name.
Fudej, Khunsong, Phetmung, Tejavibulya, Udompong, Suwanjinda, Kaewlumhad, Kongruang, Chanakot, Paiboonsematus, Naksrisuk, Wongkanoun, Sawangkarn, Suksomboon, Chamnanraj, Kanjanapen, Wongwilaiwalin, Thevarith, Angthong, Suckontamat, Suthatto, Saelim, Sripon, Chusri, Panyim, Laodee, Trisit, Inpitak, Yothin, Upalee, Mailaui, Songsan, Aramsak, Lankham, Janlean, Ngandee, Hokondee, Musidang, Wattanaviset, and Witthayaphiphobsakul