William Gordon Brantley (September 18, 1860 – September 11, 1934) was an American politician and lawyer.Brantley was born in Blackshear, Georgia. He attended the University of Georgia (UGA) in Athens, gained admission to the state bar in 1881, and began practicing law in Blackshear.Brantley was elected to the Georgia State House of Representatives in 1884 and 1885 and theGeorgia Senate in 1886 and 1887. In 1888, he became solicitor general of the Brunswick, Georgia Circuit Court.