Henry St. George Tucker III (April 5, 1853 – July 23, 1932) was a representative from the Commonwealth of Virginia to the United States House of Representatives, professor of law, and president of the American Bar Association.

degree from Washington and Lee University School of Law in 1876.

In 1898, he purchased the Col Alto estate at Lexington, Virginia.

He thereupon returned to Washington and Lee, where he became the professor of constitutional law and equity in 1897.

He moved to Washington, D.C., and became dean of the school of law at Columbian University (now George Washington University) from 1903 to 1905, when he became President of the Jamestown Exposition and of the American Bar Association.