Surname Siriya (Siriya 
, ศิริญา , สิริญา ) , in the world, is quite a rare family name. The surname Siriya is characteristic of Lesotho, where it is quite a rare surname, Nepal, where it is a rare surname, and United Arab Emirates. In absolute terms, this name is the most popular in India, Nepal, and Thailand. More prevalently, Siriya is the forename as well as the last name.