Cognomen Vilavan (Vilavan 
) , all around the world, is a rare family name. The cognomen Vilavan is characteristic of Sweden, where it is a rare surname, Thailand, and Malaysia, where it is a very rare surname. Measured by absolute frequency, this name is the most popular in Thailand, Sweden, and India. More frequently, Vilavan is the forename as well as the last name.
Vong, Petchlai, Pollawit, Phienboupha, Ratsavong, Lankford, Lawananon, Jaruthien, Tachanun, Thongkot, Ningchaleun, Voranuch, Mueankhao, Chaiyasit, Khunthong, Pradoemporn, Rungthong, Thavongkang, Hanthongchai, Homsombut, Virinthorn, Prachansiri, Pansamdaeng, Thaisongkram, Khueanai, Songsiri, Arian, Weeks, Somsri, Srisan, Adonis, Neamvong, Otakum, Sirikul, Songiad, Srirote, Aimklang, Buajoom, Bubphan, Khaengduean, Leekpai, Jitmana, Ekjirapong, Iddhibongsa, Moonarmart, Sayaseng, Surinkam, Kaewchay, and Vanichakulpitak