Tilokaraj (Thai: พระเจ้าติโลกราช, Tilokarāja), also spelt Tilokarat and Tilokkarat, was the 9th monarch of the Mangrai Dynasty.

According to the Chiang Mai Chronicle, he was the sixth child of King Sam Phraya (also known as Samfangkaen).

He became king in 1443 by deposing his father, and within a year had imposed control over Nan and Phrae.

He also attacked Chiang Rung, and the Shan region several times but could not impose control.

[2] His ashes rest since 1491 in the main Chedi of Wat Chet Yot temple in Chiang Mai.