| Lee A. Donaldson, Jr. | |
| State House: | Pennsylvania |
| Office: | Republican Leader of the Pennsylvania House of Representatives |
| Term Start: | January 2, 1967 |
| Term End: | November 30, 1970 |
| Predecessor: | Kenneth Lee |
| Successor: | Kenneth Lee |
| State House2: | Pennsylvania |
| District2: | 30th |
| Term Start2: | January 7, 1969 |
| Term End2: | November 30, 1970 |
| Predecessor2: | District Created |
| Successor2: | Rick Cessar |
| State House3: | Pennsylvania |
| District3: | Allegheny County |
| Term Start3: | 1955 |
| Term End3: | 1968 |
| Birth Date: | 11 August 1925 |
| Birth Place: | Etna, Pennsylvania[1] |
| Death Place: | Baltic Sea |
| Party: | Republican |
Lee A. Donaldson, Jr. (August 11, 1925 – September 3, 2009) was a former Republican member of the Pennsylvania House of Representatives.[2]
He died aboard a cruise ship departing St. Petersburg, Russia to Helsinki, Finland of a heart attack in 2009.[3]