Kemény, son of Lawrence (Hungarian: Lőrinc fia Kemény; died between 1299 and 1302) was a Hungarian lord in the late 13th century, who served as Master of the cupbearers in 1289. During the era of feudal anarchy, he was one of the most powerful landowners in Southern Transdanubia, especially Baranya County. The Cseményi noble family descended from him.