Kingsley Arter Taft was an American politician and distant relative of Ohio's more famous Taft family. He served as chief justice of the Ohio Supreme Court and also served briefly as a United States Senator. Kingsley's father, Frederick Lovett Taft, II was also a noted figure in the Ohio legal profession.

The Taft family is an American political family of English descent, with origins in Massachusetts. Its members have served in the states of Massachusetts, Ohio, Rhode Island, Utah, and Vermont, and the United States federal government, in various positions such as representative (two), governor of Ohio, governor of Rhode Island, senator (three), secretary of agriculture, attorney general, secretary of war (two), acting secretary of defense, president, and chief justice.