George Washington Kirchwey (July 3, 1855 Detroit, Michigan - March 3, 1942) was an American lawyer, politician, journalist and legal scholar. He was one of the co-founders of the New York Peace Society in 1906 and the Warden of Sing Sing State Prison from 1915 to 1916. He was president of the American Peace Society in 1917.
He graduated in law from Yale College in 1879, was admitted to the bar in 1882, and practiced law at Albany, New York for ten years. He edited Historical Manuscripts, State of New York (1887–89), was professor of law at Union College, and dean of the Albany Law School (1889–91), professor of law at Columbia University (1891–1901), dean of Columbia Law School from 1901 to 1910 and was a pioneer in the introduction of the case method of studying law. He was a manager of the 1907-founded Comparative Law Bureau of the American Bar Association, whose Annual Bulletin was the first comparative law journal in the U.S. He resigned as Kent Professor of Law from Columbia University in 1916.
He ran on the Progressive and Independence League tickets for the New York Court of Appeals in 1912, but lost to Democrat John W. Hogan.