The office of Pennsylvania governor was created by the state's Constitution of 1790. Before 1790, those who are listed below had held the office called president of the state Supreme Executive Council.
- Thomas Wharton, Jr. None 1777-1778
- George Bryan None 1778
- Joseph Reed None 1778-1781
- William Moore None 1781-1782
- John Dickinson None 1782-1785
- Benjamin Franklin None 1785-1788
- Thomas MIfflin1 None 1788-1799
- Thomas McKean Dem.-Rep. 1799-1808
- Simon Snyder Dem.-Rep. 1808-1817
- William Findlay Dem.-Rep. 1817-1820
- Joseph Hiester Dem.-Rep. 1820-1823
- J. Andrew Schulze Dem.-Rep. 1823-1829
- George Wolf Democratic 1829-1835
- Joseph Ritner Anti-Masonic 1835-1839
- David R. Porter Democratic 1839-1845
- Francis R. Shunk Democratic 1845-1848
- William F. Johnston Whig 1848-1852
- William Bigler Democratic 1852-1855
- James Pollock Whig 1855-1858
- William F. Packer Democratic 1858-1861
- A. G. Curtin Republican 1861-1867
- John W. Geary Republican 1867-1873
- John F. Hartranft Republican 1873-1879
- Henry M. Hoyt Republican 1879-1883
- Robert E. Pattison Democratic 1883-1887
- James A. Beaver Republican 1887-1891
- Robert E. Pattison Democratic 1891-1895
- Daniel H. Hastings Republican 1895-1899
- William A. Stone Republican 1899-1903
- Samuel W. Pennypacker Republican 1903-1907
- Edwin S. Stuart Republican 1907-1911
- John K. Tener Republican 1911-1915
- Martin G. Brumbaugh Republican 1915-1919
- William C. Sproul Republican 1919-1923
- Gifford Pinchot Republican 1923-1927
- John S. Fisher Republican 1927-1931
- Gifford Pinchot Republican 1931-1935
- George H. Earle Democratic 1935-1939
- Arthur H. James Republican 1939-1943
- Edward Martin Republican 1943-1947
- John C. Bell, Jr. Republican 1947
- James H. Duff Republican 1947-1951
- John S. Fine Republican 1951-1955
- George M. Leader Democratic 1955-1959
- David L. Lawrence Democratic 1959-1963
- William Warren Scranton Republican 1963-1967
- Raymond P. Shafer Republican 1967-1971
- Milton J. Shapp Democratic 1971-1979
- Richard L. Thornburgh Republican 1979-1987
- Robert P. Casey Democratic 1987-1995
- Tom Ridge Republican 1995-2001
- Mark S. Schweiker Republican 2001-2003
- Ed Rendell Democratic 2003-