| Dennis F. Donovan | |
| Office: | Senior Judge of the United States District Court for the District of Minnesota |
| Term Start: | December 31, 1965 |
| Term End: | September 16, 1974 |
| Office1: | Judge of the United States District Court for the District of Minnesota |
| Term Start1: | July 18, 1945 |
| Term End1: | December 31, 1965 |
| Appointer1: | Harry S. Truman |
| Predecessor1: | George F. Sullivan |
| Successor1: | Miles Lord |
| Birth Name: | Dennis Francis Donovan |
| Birth Date: | 9 April 1889 |
| Birth Place: | Champion, Michigan |
| Death Place: | Rochester, Minnesota |
| Education: | University of Michigan Law School (LL.B.) |
Dennis Francis Donovan (April 9, 1889 – September 16, 1974) was a United States district judge of the United States District Court for the District of Minnesota.
Born in Champion, Michigan, Donovan received a Bachelor of Laws from the University of Michigan Law School in 1913. He was in private practice in Duluth, Minnesota from 1914 to 1945.
On June 1, 1945, Donovan was nominated by President Harry S. Truman to a seat on the United States District Court for the District of Minnesota vacated by Judge George F. Sullivan. Donovan was confirmed by the United States Senate on July 17, 1945, and received his commission on July 18, 1945. He assumed senior status on December 31, 1965, serving in that capacity until his death on September 16, 1974, in Rochester, Minnesota.