| Ralph D. Pratt | |
| State House: | Pennsylvania |
| District: | 10th |
| Term Start: | January 3, 1975 |
| Term End: | January 8, 1986 |
| Predecessor: | Donald Fox |
| Successor: | Frank LaGrotta |
| Party: | Democratic |
| Birth Date: | 7 July 1940 |
| Birth Place: | New Castle, Pennsylvania |
Ralph Domenick Pratt (born July 7, 1940) is a former member of the Pennsylvania House of Representatives.[1] Pratt was born in 1940 in New Castle.[2] He was later judge of the Pennsylvania Courts of Common Pleas.[3]