| James Perry Platt | |
| Office: | Judge of the United States District Court for the District of Connecticut |
| Term Start: | February 28, 1902 |
| Term End: | January 26, 1913 |
| Appointer: | Theodore Roosevelt |
| Predecessor: | William Kneeland Townsend |
| Successor: | Edwin Stark Thomas |
| Office2: | Member of the Connecticut House of Representatives |
| Term2: | 1878-1879 |
| Birth Name: | James Perry Platt |
| Birth Date: | 31 March 1851 |
| Birth Place: | Towanda, Pennsylvania |
| Education: | Yale University (A.B.) Yale Law School (LL.B.) |
James Perry Platt (March 31, 1851 – January 26, 1913) was a United States district judge of the United States District Court for the District of Connecticut.
Born in Towanda, Pennsylvania, to Senator Orville H. Platt, he received an Artium Baccalaureus degree from Yale University in 1873 and a Bachelor of Laws from Yale Law School in 1875.[1] He was in private practice in Meriden, Connecticut from 1875 to 1902. He was a member of the Connecticut House of Representatives from 1878 to 1879. He was city attorney of Meriden from 1879 to 1893. He was a Judge of the Meriden City Court from 1893 to 1902.
Platt was nominated by President Theodore Roosevelt on February 18, 1902, to a seat on the United States District Court for the District of Connecticut vacated by William Kneeland Townsend. He was confirmed by the United States Senate on February 28, 1902, and received his commission the same day. Platt served in that capacity until his death on January 26, 1913.