Family name Yavichai (Yavichai 
) , globally, is a rare cognomen. The surname Yavichai is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname.
Paga, Siriboon, Supranee, Chamnong, Chucheep, Boonsong, Boonpern, Kannakorn, Kittisak, Thanawat, Thanrada, Teerasak, Warapond, Warintorn, Supharoek, Duongcheewan, Tossaporn, Natthawat, Nattakorn, Napatsorn, Saowaluk, Worawut, Vichaya, Lumduan, Netr, Prapa, Mutita, Suparb, Bandit, Prasit, Siripas, Sunanta, Sukanya, Chatchawan, Somkurn, Ampawan, Baitoey, Kessara, Kiranee, Pongsak, Pongsri, Phakdee, Rattana, Darunee, Arnupap, and Rungruedee