James Whetstone Overstreet was a U.S. Representative from Georgia.

Overstreet served as member of the State house of representatives in 1898 and 1899. He served as member of the Democratic executive committee in 1905 and 1906. Overstreet was appointed judge of the city court of Sylvania in December 1902 and served until October 1, 1906, when he resigned.

Overstreet was elected as a Democrat to the Fifty-ninth Congress to fill the vacancy caused by the death of Rufus E. Lester and served from October 3, 1906, to March 4, 1907. He resumed the practice of law in Sylvania. Overstreet served as delegate to the Democratic National Convention in 1912.

Overstreet was elected to the Sixty-fifth, Sixty-sixth, and Sixty-seventh Congresses (March 4, 1917 – March 3, 1923). He was an unsuccessful candidate for renomination in 1922. He then resumed the practice of law in Sylvania, Georgia, where he died December 4, 1938.