Gabriel T. Harrower (September 25, 1816 in Guilford, Chenango County, New York – August 15, 1895 in Lawrenceville, Tioga County, Pennsylvania) was an American politician from New York.
He was Sheriff of Steuben County from 1853 to 1855; and Supervisor of the Town of Lindley.
On November 5, 1859, he married Helen Parkhurst (1837–1911), and they had several children.
During the American Civil War he commanded the 161st New York Volunteer Infantry Regiment, fighting in the Department of the Gulf, and taking part in the Siege of Port Hudson.
In 1872, he joined the Liberal Republican Party and supported Horace Greeley for President.