Şablon:For Şablon:Infobox monarch Toghrul, also known as Wang Khan or Ong Khan (Şablon:Lang-mn Tooril han or Şablon:Lang Van han; Şablon:Zh; died 1203) was a khan of the Keraites. He was the anda (blood brother) of the Mongol chief Yesugei and served as an important early patron and ally to Yesugei's son Temüjin, later known as Genghis Khan.
"Wang Khan" was the name given to Toghrul by the Jurchen Jin Dynasty of China. When Temüjin attacked Jamukha for the title of khan, Toghrul, fearing Temüjin's growing power, plotted with Jamukha to have Temüjin assassinated. Toghrul was killed in 1203 by Naiman soldiers who failed to recognize him as the former was fleeing from a defeat by Genghis Khan. Genghis married his son Tolui to one of Toghrul's nieces, the Nestorian Christian Sorghaghtani Bekhi. Tolui and Sorghaghtani Bekhi became the parents of Möngke Khan and Kublai Khan.
During the 13th century, Toghrul was one of several Asian or African leaders who was identified with the legend of Prester John.<ref>Igor de Rachewiltz, Papal Envoys to the Great Khans (Stanford University Press, 1971), p. 114.</ref>