Surname Siwarit (Siwarit 
) , in the world, is an extremely rare cognomen. Much more frequently, Siwarit is the forename as well as the last name.
Dawong, Krittikanon, Meethongsai, Khucharoensuk, Chitprasan, Soemphornphoemsuk, Thepparat, Jarusansuttikul, Danprasit, Phanthura, Keawsawai, Chatjaruschot, Sutthasaen, Tanchalo, Lawankhal, Rusmeechan, Pinthong, Panichonrachart, Sutaphun, Suksabai, Pintain, Karinta, Tiasuwattiseth, and Pongsakornrungsilp