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Cognomen Kollayut (Kollayut ) , all over the world, is an extremely rare surname. Much more prevalently, Kollayut is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kollayut | Thailand |
Nualtong, Maneewan, Singhakul, Chaisuwan, Panpiemrasda, Thuasuphap, Thanadolsuwan, Rattanakham, Jongnimitphaiboon, and Thanakitpaisan