| James S. Berger | |
| Office: | President pro tempore of the Pennsylvania Senate |
| Term Start: | December 1, 1964 |
| Term End: | December 1, 1966 |
| Predecessor: | Harvey Taylor |
| Successor: | Robert Fleming |
| Order2: | Republican Leader of the Pennsylvania Senate |
| Term Start2: | January 6, 1959 |
| Term End2: | November 30, 1964 |
| Predecessor2: | Rowland Mahany |
| Successor2: | Stanley Stroup |
| State Senate3: | Pennsylvania |
| District3: | 25th |
| Term Start3: | January 2, 1945 |
| Term End3: | November 30, 1968 |
| Predecessor3: | Thomas Wilson |
| Birth Name: | James Stanley Berger |
| Birth Date: | 3 January 1903 |
| Birth Place: | Warren County, Pennsylvania |
| Party: | Republican |
| Footnotes: | a.Succeeded by Stanley Stroup as Acting President Pro Tempore. Fleming was the next person formally and permanently elected to the office.[1] |
James Stanley Berger (January 3, 1903 - April 1, 1984) served as a Pennsylvania State Senator for the Republican Party from 1945 until 1968. Born in Warren County, Pennsylvania, he was a lawyer and lived in Potter County, Pennsylvania.