Cognomen Siriyuk (ศิริยุคล , Siriyuk ) , all around the world, is an extremely rare surname. Much more frequently, Siriyuk is the forename as well as the last name.
Сіріюк, and สิริยุค
Watthanasuntorn
, Siriyuk 
) , all around the world, is an extremely rare surname. Much more frequently, Siriyuk is the forename as well as the last name.