| Mac Swinford | |
| Office: | Chief Judge of the United States District Court for the Eastern District of Kentucky |
| Term Start: | 1963 |
| Term End: | 1969 |
| Predecessor: | Hiram Church Ford |
| Office1: | Judge of the United States District Court for the Eastern District of Kentucky Judge of the United States District Court for the Western District of Kentucky |
| Term Start1: | August 21, 1937 |
| Term End1: | February 3, 1975 |
| Appointer1: | Franklin D. Roosevelt |
| Predecessor1: | Seat established by 49 Stat. 1806 |
| Successor1: | Eugene Edward Siler Jr. |
| Birth Name: | Mac Swinford |
| Birth Date: | 23 December 1899 |
| Birth Place: | Cynthiana, Kentucky |
| Education: | University of Virginia University of Virginia School of Law read law |
Mac Swinford (December 23, 1899 – February 3, 1975) was a United States district judge of the United States District Court for the Eastern District of Kentucky and the United States District Court for the Western District of Kentucky.
Born in Cynthiana, Kentucky, Swinford attended the University of Virginia and read law in 1922, then graduated from the University of Virginia School of Law in 1925. He was in private practice in Cynthiana from 1922 to 1933. He was a member of the Kentucky House of Representatives from 1926 to 1929, and was then the United States Attorney for the Eastern District of Kentucky from 1933 to 1937.
Swinford was nominated by President Franklin D. Roosevelt on August 19, 1937, to the United States District Court for the Eastern District of Kentucky and the United States District Court for the Western District of Kentucky, to a new joint seat authorized by 49 Stat. 1806. He was confirmed by the United States Senate on August 20, 1937, and received his commission on August 21, 1937. He served as Chief Judge of the Eastern District from 1963 to 1969. He was a member of the Judicial Conference of the United States from 1966 to 1969. His service terminated on February 3, 1975, due to his death.