| John Wayne Delehant | |
| Office: | Senior Judge of the United States District Court for the District of Nebraska |
| Term Start: | April 30, 1957 |
| Term End: | April 20, 1972 |
| Office1: | Chief Judge of the United States District Court for the District of Nebraska |
| Term Start1: | 1956 |
| Term End1: | 1957 |
| Predecessor1: | James A. Donohoe |
| Successor1: | Richard Earl Robinson |
| Office2: | Judge of the United States District Court for the District of Nebraska |
| Term Start2: | February 13, 1942 |
| Term End2: | April 30, 1957 |
| Appointer2: | Franklin D. Roosevelt |
| Predecessor2: | Thomas Charles Munger |
| Successor2: | Robert Van Pelt |
| Birth Name: | John Wayne Delehant |
| Birth Date: | 3 September 1890 |
| Birth Place: | Goodland, Kansas |
| Death Place: | Omaha, Nebraska |
| Education: | Creighton University School of Law (LL.B.) |
John Wayne Delehant (September 3, 1890 – April 20, 1972) was a United States district judge of the United States District Court for the District of Nebraska.
Born in Goodland, Kansas, Delehant received an Artium Baccalaureus degree from Creighton University in 1910, an Artium Magister degree from the same institution in 1911, and a Bachelor of Laws from Creighton University School of Law in 1913. He was in private practice in Beatrice, Nebraska from 1913 to 1942.
On January 19, 1942, Delehant was nominated by President Franklin D. Roosevelt to a seat on the United States District Court for the District of Nebraska vacated by Judge Thomas Charles Munger. Delehant was confirmed by the United States Senate on February 9, 1942, and received his commission on February 13, 1942. He served as Chief Judge from 1956 to 1957, assuming senior status on April 30, 1957. Delehant served in that capacity until his death on April 20, 1972, in Omaha, Nebraska.