| George M. Bourquin | |
| Office: | Senior Judge of the United States District Court for the District of Montana |
| Term Start: | March 9, 1934 |
| Term End: | November 15, 1958 |
| Office1: | Judge of the United States District Court for the District of Montana |
| Term Start1: | March 8, 1912 |
| Term End1: | March 9, 1934 |
| Appointer1: | William Howard Taft |
| Predecessor1: | Carl L. Rasch |
| Successor1: | James H. Baldwin |
| Birth Name: | George McClellan Bourquin[1] |
| Birth Date: | 24 June 1863 |
| Birth Place: | Warren County, Pennsylvania |
| Education: | read law |
George McClellan Bourquin (June 24, 1863 – November 15, 1958) was a United States district judge of the United States District Court for the District of Montana.
Born in Warren County, Pennsylvania, Bourquin read law to enter the bar in 1894. He was in private practice in Helena, Montana from 1894 to 1899, and then in private practice in Butte, Montana until 1904. He was a district court judge for Silver Bow County, Montana from 1905 to 1909, returning to private practice in Butte until 1912.
On February 13, 1912, Bourquin was nominated by President William Howard Taft to a seat on the United States District Court for the District of Montana vacated by Judge Carl L. Rasch. Bourquin was confirmed by the United States Senate on March 8, 1912, and received his commission the same day. He assumed senior status on March 9, 1934, serving in that capacity until his death on November 15, 1958.