| No. | Governor | Term in office | Party | Election | Lt. Governor |
| 1 | | | Thomas Mifflin(1744–1800) | December 21, 1790–December 17, 1799(term-limited) | None | 1790 | Office did not exist |
| | Democratic-Republican | 1793 |
| 1796 |
| 2 | | Thomas McKean(1734–1817) | December 17, 1799–December 20, 1808(term-limited) | Democratic-Republican | 1799 |
| 1802 |
| | Constitutionalist | 1805 |
| 3 | | | Simon Snyder(1759–1819) | December 20, 1808–December 16, 1817(term-limited) | Democratic-Republican | 1808 |
| 1811 |
| 1814 |
| 4 | | William Findlay(1768–1846) | December 16, 1817–December 19, 1820(lost election) | Democratic-Republican | 1817 |
| 5 | | | Joseph Hiester(1752–1832) | December 19, 1820–December 16, 1823(did not run) | Federalist | 1820 |
| 6 | | | John Andrew Shulze(1775–1852) | December 16, 1823–December 15, 1829(did not run) | Democratic-Republican | 1823 |
| | Jacksonian | 1826 |
| 7 | | | George Wolf(1777–1840) | December 15, 1829–December 15, 1835(lost election) | Democratic | 1829 |
| 1832 |
| 8 | | | Joseph Ritner(1780–1869) | December 15, 1835–January 15, 1839(lost election) | Anti-Masonic | 1835 |
| 9 | | | David R. Porter(1788–1867) | January 15, 1839–January 21, 1845(term-limited) | Democratic | 1838 |
| 1841 |
| 10 | | Francis R. Shunk(1788–1848) | January 21, 1845–July 9, 1848(resigned) | Democratic | 1844 |
| 1847 |
| 11 | | | William F. Johnston(1808–1872) | July 9, 1848–January 20, 1852(lost election) | Whig | Speaker ofthe Senateacting |
| 1848 |
| 12 | | | William Bigler(1814–1880) | January 20, 1852–January 16, 1855(lost election) | Democratic | 1851 |
| 13 | | | James Pollock(1810–1890) | January 16, 1855–January 19, 1858(did not run) | Whig | 1854 |
| 14 | | | William F. Packer(1807–1870) | January 19, 1858–January 15, 1861(did not run) | Democratic | 1857 |
| 15 | | | Andrew Gregg Curtin(1815–1894) | January 15, 1861–January 15, 1867(term-limited) | Republican | 1860 |
| 1863 |
| 16 | | John W. Geary(1819–1873) | January 15, 1867–January 21, 1873(term-limited) | Republican | 1866 |
| 1869 |
| 17 | | John F. Hartranft(1830–1889) | January 21, 1873–January 21, 1879(term-limited) | Republican | 1872 |
| 1875 | | John Latta |
| 18 | | Henry M. Hoyt(1830–1892) | January 21, 1879–January 16, 1883(term-limited) | Republican | 1878 | Charles Warren Stone |
| 19 | | | Robert E. Pattison(1850–1904) | January 16, 1883–January 18, 1887(term-limited) | Democratic | 1882 | | Chauncey Forward Black |
| 20 | | | James A. Beaver(1837–1914) | January 18, 1887–January 20, 1891(term-limited) | Republican | 1886 | | William T. Davies |
| 19 | | | Robert E. Pattison(1850–1904) | January 20, 1891–January 15, 1895(term-limited) | Democratic | 1890 | | Louis Arthur Watres |
| 21 | | | Daniel H. Hastings(1849–1903) | January 15, 1895–January 17, 1899(term-limited) | Republican | 1894 | | Walter Lyon |
| 22 | | William A. Stone(1846–1920) | January 17, 1899–January 20, 1903(term-limited) | Republican | 1898 | John P. S. Gobin |
| 23 | | Samuel W. Pennypacker(1843–1916) | January 20, 1903–January 15, 1907(term-limited) | Republican | 1902 | William M. Brown |
| 24 | | Edwin Sydney Stuart(1853–1937) | January 15, 1907–January 17, 1911(term-limited) | Republican | 1906 | Robert S. Murphy |
| 25 | | John K. Tener(1863–1946) | January 17, 1911–January 19, 1915(term-limited) | Republican | 1910 | John Merriman Reynolds |
| 26 | | Martin Grove Brumbaugh(1862–1930) | January 19, 1915–January 21, 1919(term-limited) | Republican | 1914 | Frank B. McClain |
| 27 | | William Cameron Sproul(1870–1928) | January 21, 1919–January 16, 1923(term-limited) | Republican | 1918 | Edward E. Beidleman |
| 28 | | Gifford Pinchot(1865–1946) | January 16, 1923–January 18, 1927(term-limited) | Republican | 1922 | David J. Davis |
| 29 | | John Stuchell Fisher(1867–1940) | January 18, 1927–January 20, 1931(term-limited) | Republican | 1926 | Arthur James |
| 28 | | Gifford Pinchot(1865–1946) | January 20, 1931–January 15, 1935(term-limited) | Republican | 1930 | Edward C. Shannon |
| 30 | | | George Howard Earle III(1890–1974) | January 15, 1935–January 17, 1939(term-limited) | Democratic | 1934 | | Thomas Kennedy |
| 31 | | | Arthur James(1883–1973) | January 17, 1939–January 19, 1943(term-limited) | Republican | 1938 | | Samuel S. Lewis |
| 32 | | Edward Martin(1879–1967) | January 19, 1943–January 2, 1947(resigned) | Republican | 1942 | John C. Bell Jr. |
| 33 | | John C. Bell Jr.(1892–1974) | January 2, 1947–January 21, 1947(successor took office) | Republican | Succeeded fromlieutenantgovernor | Vacant |