Cognomen Sirijanya (Sirijanya 
) , in the entire world, is a very rare last name. The cognomen Sirijanya is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. More frequently, Sirijanya is the forename as well as the last name.
Tain, Raroengying, Longchin, Jansuwan, Yodmuang, Setthabaromsak, Chansomkhoi, Banglueam, Karawanan, Karawanat, Keawmanee, Prasobpolperm, Suksawatphaiboon, Amornphakaporn, Chanthasri, Choonhavan, Thongraksa, Wongpracha, Siriphanitnon, Sirisetthapokin, Pankhong, Khoakham, Khongsujarit, Khaokham, Mokpa, Takla, Sompan, Potien, Dasada, Jaiyen, Nakdee, Imporn, Siriban, Chareanratpakin, Seengam, Sriudorn, Aryuman, Boonpen, Kongton, Pankong, Nankasee, Nunarong, Boonlert, Kaewkong, Seasana, and Rujiratharapun