Reverend Theodore Yale Gardner (1841 – 1900) was an American Presbyterian and Congregationalist minister from Cleveland, Ohio. He was the first pastor of Glenville, Cleveland, and the Western Secretary of the American College and Education Society in Boston. He became the cofounder, along with Col. Ransom, of the Alpha Nu Chapter of the Beta Theta Pi at the University of Kansas, seated at John Palmer Usher's house.
Gardner was also one of the 28 members of the Presbyterian Club of Cleveland, along with Rev. Anson Smyth, founder of the Cleveland Public Library, and Rev. Carroll Cutler, president of Case Western Reserve University.