| Junius Foy Guin Jr. | |
| Office: | Senior Judge of the United States District Court for the Northern District of Alabama |
| Term Start: | February 3, 1989 |
| Term End: | November 8, 2016 |
| Office1: | Judge of the United States District Court for the Northern District of Alabama |
| Term Start1: | April 18, 1973 |
| Term End1: | February 3, 1989 |
| Appointer1: | Richard Nixon |
| Predecessor1: | Clarence W. Allgood |
| Successor1: | Edwin L. Nelson |
| Birth Name: | Junius Foy Guin Jr. |
| Birth Date: | 2 February 1924 |
| Birth Place: | Russellville, Alabama |
| Education: | University of Alabama (A.B.) University of Alabama School of Law (J.D.) |
Junius Foy Guin Jr. (February 2, 1924 – November 8, 2016) was a United States district judge of the United States District Court for the Northern District of Alabama.
Born in Russellville, Alabama, Guin was an infantry officer in the United States Army during World War II; he served from 1943 to 1946, and achieved the rank of Lieutenant. He received a Juris Doctor from the University of Alabama School of Law in 1947, and was in private practice in Russellville from 1948 to 1973. He received an Latin: [[Artium Baccalaureus]] degree from the University of Alabama in 1975.
On March 20, 1973, Guin was nominated by President Richard Nixon to a seat on the United States District Court for the Northern District of Alabama vacated by Judge Clarence W. Allgood. Guin was confirmed by the United States Senate on April 10, 1973, and received his commission on April 18, 1973. He assumed senior status on February 3, 1989, and died at the age of 92 on November 8, 2016.[1]