Martin Beaty (October 8, 1784 – June 17, 1856) was a United States Representative from Kentucky. He was born in Abingdon, Virginia. In his life, he worked as an iron furnace operator, a salt manufacturer, a rancher, and a farmer. Beaty was a slaveowner.^[1]

Beaty was a member of the Kentucky Senate 1824–1828 and 1832. He served as a Presidential Elector for Henry Clay and John Sergeant in 1832 and William Henry Harrison and Francis Granger in 1836. He was an unsuccessful candidate for election to the Twenty-first Congress in 1828, and to the Twenty-second Congress in 1830, but was elected as an Anti-Jacksonian to the Twenty-third Congress (March 4, 1833 – March 3, 1835). He was an unsuccessful candidate for reelection to the Twenty-fourth Congress in 1834. After leaving Congress, he was a member of the Kentucky House of Representatives, 1848. He died in 1856 in Belmont, Texas, where he was buried in Belmont Cemetery.