Jenkin Whiteside (* 1772 in Lancaster, Pennsylvania, † September 25, 1822 in Nashville, Tennessee ) was an American politician ( Democratic- Republican), who represented the state of Tennessee in the U.S. Senate.
After completing his education in Pennsylvania Jenkin Whiteside studied law and was admitted to the Bar Association. He then moved to Tennessee, where he opened a private practice in Knoxville. In the years 1801 and 1802, he was a member of the Commissioner of the City Government of Knoxville.
Following the resignation of U.S. Senator Daniel Smith Whiteside was elected to succeed him in Congress. He took his mandate from the April 11, 1809 true; the re-election to an own term of office was in the same year. However, he performed on October 8, 1811 back as a senator. His successor later U.S. Treasury Secretary George W. Campbell was elected. Jenkin Whiteside worked in the result again as a lawyer and died in 1822 in Nashville.