| Thomas James Clary | |
| Office: | Senior Judge of the United States District Court for the Eastern District of Pennsylvania |
| Term Start: | March 1, 1969 |
| Term End: | August 1, 1977 |
| Office1: | Chief Judge of the United States District Court for the Eastern District of Pennsylvania |
| Term Start1: | 1961 |
| Term End1: | 1969 |
| Predecessor1: | James Cullen Ganey |
| Successor1: | John W. Lord Jr. |
| Office2: | Judge of the United States District Court for the Eastern District of Pennsylvania |
| Term Start2: | October 21, 1949 |
| Term End2: | March 1, 1969 |
| Appointer2: | Harry S. Truman |
| Predecessor2: | Seat established by 63 Stat. 493 |
| Successor2: | Seat abolished |
| Birth Name: | Thomas James Clary |
| Birth Date: | 31 August 1899 |
| Birth Place: | Seneca Falls, New York |
| Death Place: | Philadelphia, Pennsylvania |
| Education: | Cornell University (A.B.) Georgetown Law (LL.B.) |
Thomas James Clary (August 31, 1899 – August 1, 1977) was a United States district judge of the United States District Court for the Eastern District of Pennsylvania.
Born in Seneca Falls, New York, Clary received an Artium Baccalaureus degree from Cornell University in 1920 and a Bachelor of Laws from Georgetown Law in 1924. He was in private practice in Philadelphia, Pennsylvania from 1924 to 1949.
Clary received a recess appointment from President Harry S. Truman on October 21, 1949, to the United States District Court for the Eastern District of Pennsylvania, to a new seat authorized by 63 Stat. 493. He was nominated to the same position by President Truman on January 5, 1950. He was confirmed by the United States Senate on March 8, 1950, and received his commission on March 9, 1950. He served as Chief Judge from 1961 to 1969. He was a member of the Judicial Conference of the United States from 1966 to 1968. He assumed senior status on March 1, 1969. His service terminated on August 1, 1977, due to his death in Philadelphia.