Family name Chirayut (จิรายุทธ 
, จิรายุทธ์ , จีรยุทธ ) , globally, is a very rare cognomen. The cognomen Chirayut is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Much more frequently, Chirayut is the forename as well as the last name.
Meddi, Khamsaen, Khamsuan, Khawsang, Krannalongkron, Pintapia, Phonchai, Rukthawornkul, Laothong, Thawimueang, Thuamthong, Nirunsawat, Nualchan, Muttamara, Phichaiyut, Thalaengsri, Wongjumpa, Youngpituck, Sirimettai, Chirachawala, Durongritekul, Tothongsuk, Chongjai, Champorn, Sriwiset, Ubonkit, Sanoe, Sarot, Somnuk, Somtao, Parian, Phratwiset, Tipdee, Nasuan, Eadson, Montung, Suwannasang, Metawacharawong, Sephong, Songyot, Amnongpho, Bongthong, Bunphet, Khammun, Lamphen, Triyuang, Onlamun, Wangnok, Sudchit, and Akkarawongsapat