| John McKinney | |
| Office: | Judge of the United States District Court for the Southern District of Florida |
| Term Start: | November 8, 1870 |
| Term End: | October 12, 1871 |
| Appointer: | Ulysses S. Grant |
| Predecessor: | Thomas Jefferson Boynton |
| Successor: | James William Locke |
| Birth Name: | John McKinney |
| Education: | Princeton University (A.B.) read law |
John McKinney (1829 – October 12, 1871) was a United States district judge of the United States District Court for the Southern District of Florida.
Born in Lycoming County, Pennsylvania, McKinney graduated from the College of New Jersey (now Princeton University) with an Artium Baccalaureus degree in 1848. He read law in 1850. He served as a clerk in the Solicitor's Office of the United States Department of the Treasury in Washington, D.C., beginning in 1861.
McKinney received a recess appointment from President Ulysses S. Grant on November 8, 1870, to a seat on the United States District Court for the Southern District of Florida vacated by Judge Thomas Jefferson Boynton. He was nominated to the same position by President Grant on December 7, 1870. He was confirmed by the United States Senate on February 18, 1871, and received his commission the same day. His service terminated on October 12, 1871, due to his death.