Junius Hillyer (* April 23, 1807 in Wilkes County, Georgia, † June 21, 1886 in Decatur, Georgia ) was an American politician. Between 1851 and 1855 he represented the state of Georgia in the U.S. House of Representatives.
Junius Hillyer studied until 1828 at the University of Georgia in Athens. After a subsequent study of law and qualifying as a lawyer in Athens, he began to work in his new profession. In 1834 he was prosecutor in the Western District Court of the State of Georgia. Between 1841 and 1845 Hillyer was District Judge. Politically, he was first Unionist. Later he became a member of the Democratic Party.
In the congressional elections of 1850 he as a Unionist in the sixth constituency of Georgia in the U.S. House of Representatives in Washington DC was chosen, where he became the successor of Howell Cobb on March 4, 1851. In 1852 he was re-elected as a candidate of the Democrats. He was able to complete in Congress until March 3, 1855 two legislative sessions. These were determined by the events and discussions that preceded the American Civil War. Between 1853 and 1855 Hillyer was chairman of the Committee on private land claims.
After his retirement from the U.S. House of Representatives Hillyer was employed 1857-1851 as an advocate of the Federal Ministry of Finance. This office he gave in February 1861 after leaving his home state of Georgia from the Union, on. In the following years he is no longer politically have appeared. He died on June 21, 1886 in Decatur. Junius Hillyer was married to Jane S. Hillyer ( 1807-1880 ).