Thomas F. Donnelly (née Thomas Frederick Donnelly; December 13, 1863 – November 1, 1924) was an American lawyer, judge and politician from New York.

He was born on December 13, 1863, in New York City, the son of Thomas Lester Donnelly, manager of the Grand Opera House, and Sarah (Williams) Donnelly.

He attended the public schools and City College of New York.

He graduated from Columbia Law School in 1884, was admitted to the bar, and practiced law in New York City.

Actress Dorothy Donnelly (1880–1928) was his sister.