Surname Viriyakul (Viriyakul 
) , all over the world, is a rare cognomen. The family name Viriyakul is characteristic of Thailand, where it is a rare surname, and the United States, where it is an extremely rare surname.
Nipa, Vincent, Wichuda, Masssiri, Sharlene, Chananya, Chayanit, Chonwipa, Chollada, Vichean, Pimkunuch, Natnicha, Vannamas, Vorathee, Stephanie, Chonthira, Chulaluck, Katesiree, Pornpimol, Thanarat, Tawatchai, Vantana, Rearngchai, Araya, Pimon, Dilok, Narin, Chaiya, Pravej, Piyasa, Damrit, Natvara, Massiri, Meechai, Santana, Siriluk, Akasith, Chakorn, Kannika, Keasinee, Radaporn, Monlisa, and Warangkhana