| Gunnar Nordbye | |
| Office: | Senior Judge of the United States District Court for the District of Minnesota |
| Term Start: | March 6, 1967 |
| Term End: | November 5, 1977 |
| Office1: | Chief Judge of the United States District Court for the District of Minnesota |
| Term Start1: | 1948 |
| Term End1: | 1959 |
| Predecessor1: | Office established |
| Successor1: | Edward Devitt |
| Office2: | Judge of the United States District Court for the District of Minnesota |
| Term Start2: | March 18, 1931 |
| Term End2: | March 6, 1967 |
| Appointer2: | Herbert Hoover |
| Predecessor2: | Seat established by 46 Stat. 431 |
| Successor2: | Philip Neville |
| Birth Name: | Gunnar Hans Nordbye |
| Birth Date: | 4 February 1888 |
| Birth Place: | Urskog, Norway |
| Education: | University of Minnesota (LLB) |
Gunnar Hans Nordbye (February 4, 1888 – November 5, 1977) was a United States district judge of the United States District Court for the District of Minnesota.
Nordbye was born at Urskog (spelled Aurskog since 1918) in Akershus, Norway. He was the son of Halvor Olsen Nordbye (1850–1894) and Anna Kristine Aarnæs (1856–1940).[1] Nordbye received a Bachelor of Laws from the University of Minnesota Law School in 1912. He was in private practice in Minneapolis, Minnesota from 1912 to 1922. He was a Judge of the Municipal Court of Minneapolis from 1922 to 1925, and of the Fourth Judicial District Court of Minnesota from 1925 to 1931.
Nordbye received a recess appointment from President Herbert Hoover on March 18, 1931, to the United States District Court for the District of Minnesota, to a new seat authorized by 46 Stat. 431. He was nominated to the same position by President Hoover on December 16, 1931. He was confirmed by the United States Senate on February 3, 1932, and received his commission on February 10, 1932. He served as Chief Judge from 1948 to 1959. He was a member of the Judicial Conference of the United States from 1958 to 1962. He assumed senior status on March 6, 1967. He was the last federal judge in active service to have been appointed by President Hoover. His service terminated on November 5, 1977, due to his death.