| Leon Lombardi | |
| Birth Date: | 14 April 1949 |
| Birth Place: | Brockton, Massachusetts, U.S.[1] |
| Occupation: | Attorney |
| Residence: | Easton, Massachusetts |
| Party: | Republican |
| Education: | Suffield Academy |
| Alma Mater: | Tufts University Boston University School of Law |
| Member of the Massachusetts House of Representatives from the 1st Bristol district | |
| Term Start: | 1977 |
| Term End: | 1983 |
| Predecessor: | John S. Ames III |
| Successor: | William B. Vernon |
| Title2: | Chairman of the Massachusetts Republican Party |
| Term Start2: | 1991 |
| Term End2: | 1992 |
| Predecessor2: | Ray Shamie |
| Successor2: | Jim Rappaport |
Leon J. Lombardi (born April 16, 1949 in Brockton, Massachusetts) is an American attorney and politician who served as a member of the Massachusetts House of Representatives from 1977–1983 and as the Chairman of the Massachusetts Republican Party from 1990-1992.[1] He was the Republican nominee for Lieutenant Governor of Massachusetts in 1982. He was appointed an associate justice of the Massachusetts Land Court Department by Gov. William Weld in 1995 and retired in 2008.