Jeremias Van Vliet

Jeremias Van Vliet (; 1602 – February 1663 ) or as Thai people call him, Wanwalit was a Dutch merchant of the Dutch East India Company. He was the Trading Station director of Dutch East India Company in the Ayutthaya Kingdom between 1633 and 1642, during the reign of King Prasat Thong. He wrote of five books about Siam in Dutch which were later translated into English.

Jeremias van Vliet was born in Schiedam. He was the youngest son of Eewout Huybretchszoon and Maritge Cornelisdochter van Vliet

After nine years as Director of the Trading Station in Siam, Jeremias van Vliet was promoted to the second Governor of Dutch Malacca in September 1642. He returned to the Netherlands in 1647 and lived in his homeland until his death in February 1663, aged 61.