John S. Bigby

John Summerfield Bigby (February 13, 1832 – March 28, 1898) was a Republican United States Representative from Georgia.

Born near Newnan, Georgia, Bigby attended the common schools. He graduated from Emory College in Oxford, Georgia in 1853. He studied law and was admitted to the bar in 1856 and commenced practice in Newnan, Georgia. He served as member of the State constitutional conventions of 1867–1868. He served as solicitor general of the Tallapoosa circuit from August 1867 to September 22, 1868. He served as judge of the superior court of the same circuit from September 22, 1868, to March 3, 1871.

Bigby was elected as a Republican to the Forty-second Congress (March 4, 1871 – March 3, 1873). In Congress, he voted for the Ku Klux Klan Act. He was an unsuccessful candidate for reelection in 1872 to the 43rd Congress.

After serving in Congress, Bigby resumed the practice of law in Atlanta, Georgia. He served as delegate to the 1876 Republican National Convention. He became president of the Atlanta & West Point Railroad in 1876. He died in Atlanta, Georgia, March 28, 1898 and was interred there in Westview Cemetery.