Yong Saetae (; , Teochew: Dên Iong; ?–?) was a Chinese merchant and the father of King Taksin the Great. The Vietnamese called him Trá»Ânh Yá»Ân (éÂÂÃ¥ÂÂ).
His birth name was Dên Dag (). Born in Chenghai County, Chaoshan, China. It was said that he was a broad-minded and unconventional man. His fellow countrymen did not like him, and called him Pai Gian Dag ( or , lit. "Dag, the ruffian" in Teochew). he came to Siam to do business, and became rich, and changed his name to Yong Saetae. Later, he became a tax-collector, and married a wealthy royal woman Nok-lang (later Princess Phithak Thephamat), who later gave birth to Taksin.