John Jefferson Adams (May 17, 1860 - November 6, 1935) was an American lawyer, merchant, and Democratic politician. He represented the 31st District in the Mississippi State Senate from 1908 to 1912.
In 1899, Adams moved to Pittsboro, Mississippi, where he began to practice law in addition to his merchant practice.[1] In Pittsboro, Adams served on the town's Board of Aldermen.[1] Starting in 1900, Adams served on the Democratic Executive Committee of Webster County, Mississippi, and he was its Secretary since 1902.[1] From 1903 onwards, Adams was also on the Democratic Executive Committee of Mississippi's 4th Congressional District.[1] On November 5, 1907, Adams was one of two people elected to represent the 31st District (consisting of Chickasaw, Calhoun, and Pontotoc Counties) in the Mississippi State Senate for the 1908-1912 term.[1] During this term, Adams served on multiple committees: Constitution; Local & Private Legislation; Immigration; Public Lands; and Pensions.[1]