Thomas Francis Grady (November 29, 1853 in New York City – February 3, 1912 in Manhattan, New York City) was an American lawyer and politician from New York.
He attended St. James Parochial School from 1857 to 1863, De La Salle Institute from 1863 to 1867, and graduated from Manhattan College. Then he worked for D. Appleton & Co., was Recording Clerk in the County Clerk's office in 1874, and began to study law. Then he worked in the Corporation Counsel's office, collecting evidence relative to the fraudulent claims of the Tweed era. He graduated from the New York University School of Law in 1877, was admitted to the bar, and practiced in New York City.
In politics he always was a Tammany Hall man. He was a member of the New York State Assembly (New York Co., 2nd D.) in 1877, 1878 and 1879; and a member of the New York State Senate (6th D.) in 1882 and 1883. In 1883, State Senator Grady and Governor Grover Cleveland became political enemies, and Cleveland asked Tammany boss John Kelly not to re-nominate Grady for the State Senate. Grady was a delegate to the 1884 Democratic National Convention and worked hard against Cleveland's nomination for U.S. President. During the following presidential campaign, Grady supported Benjamin F. Butler, the candidate of the Greenback and Anti-Monopoly parties.