Thomas Lowry Young (December 14, 1832 - July 20, 1888) was a Republican politician from Ohio. Young served as the 33rd Governor of Ohio.

Young was born in Killyleagh County Down , Ireland and immigrated with his parents to the United States in 1847. He enlisted in the U.S. Army in 1848, originally as a musician, and advanced through the ranks of the artillerymen to become a sergeant by the time he finished his service in 1858. Young joined the Missouri Volunteers in September 1861 after the outbreak of the Civil War, but resigned in December. Young received a commission in the Ohio Volunteer Infantry in September 1862 and served until September 1864, reaching the rank of colonel. He graduated from the Cincinnati Law School in 1865 and won election to the Ohio House of Representatives, serving a single two-year term from 1866-1868. He then election to the Ohio State Senate, serving a single two-year term from 1871-1873. Young was elected Lieutenant Governor of Ohio in 1875, taking office in 1876. He then filled out the term of Rutherford Hayes when the latter was elected to the presidency, serving from 1877-1878. He was then elected to the United States House of Representatives in 1878 and served two terms before losing a battle for renomination in 1882.