| George Cosgrave | |
| Office: | Senior Judge of the United States District Court for the Southern District of California |
| Term Start: | August 31, 1940 |
| Term End: | August 4, 1945 |
| Office1: | Judge of the United States District Court for the Southern District of California |
| Term Start1: | April 8, 1930 |
| Term End1: | August 31, 1940 |
| Appointer1: | Herbert Hoover |
| Predecessor1: | Edward J. Henning |
| Successor1: | Peirson Mitchell Hall |
| Birth Name: | George Cosgrave |
| Birth Date: | 20 February 1870 |
| Birth Place: | Calaveras County, California |
| Education: | read law |
George Cosgrave (February 20, 1870 – August 4, 1945) was a United States district judge of the United States District Court for the Southern District of California.
Born in Calaveras County, California, Cosgrave read law to enter the bar in 1895. He was in private practice in Fresno, California from 1895 to 1930.
On March 12, 1930, Cosgrave was nominated by President Herbert Hoover to a seat on the United States District Court for the Southern District of California vacated by Judge Edward J. Henning. Cosgrave was confirmed by the United States Senate on April 8, 1930, and received his commission the same day. He assumed senior status on August 31, 1940. He served in that capacity until his death on August 4, 1945.