| Roger Davis | |
| State: | Pennsylvania |
| Constituency: | (1811–1813) (1813–1815) |
| Term Start: | March 4, 1811 |
| Term End: | March 3, 1815 |
| Preceded: | Robert Jenkins Matthias Richards Daniel Hiester |
| Succeeded: | William Darlington John Hahn |
| Office3: | Member of the Pennsylvania House of Representatives |
| Term3: | 1809-1811 |
| Birth Date: | 2 October 1762 |
| Birth Place: | Charlestown Village, Province of Pennsylvania, British America |
| Death Place: | Charlestown Township, Pennsylvania, U.S. |
| Party: | Democratic-Republican |
Roger Davis (October 2, 1762November 20, 1815) was a member of the U.S. House of Representatives from Pennsylvania.
Roger Davis was born in Charlestown Village in the Province of Pennsylvania. He studied medicine at the University of Pennsylvania and commenced practice about 1785 in Charlestown. He was a member of the Pennsylvania House of Representatives from 1809 to 1811.
Davis was elected as a Republican to the Twelfth and Thirteenth Congresses. He resumed the practice of medicine in Charlestown, where he died in 1815, and was interred in Great Valley Presbyterian Churchyard.