Jeong Do-jeon (, Hanja:鄭夢周, 1337(?) - August 26, 1398) was a Korean Goryo Dynasty politician, educators and Joseon Dynasty politician, educator, writer, poet and thinker. First Prime minister of Joseon Dynastys 1392 to 1398. In 1398 he was murdered by Lee Bang-won. Another name was 'Jongji'(종지, 宗之), nickname was Sambong(삼봉, 三峯).