| Election Name: | 1918 Pennsylvania gubernatorial election |
| Country: | Pennsylvania |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 1914 Pennsylvania gubernatorial election |
| Previous Year: | 1914 |
| Next Election: | 1922 Pennsylvania gubernatorial election |
| Next Year: | 1922 |
| Image1: | William Cameron Sproul in 1918.jpg |
| Nominee1: | William Sproul |
| Party1: | Republican Party (United States) |
| Popular Vote1: | 552,537 |
| Percentage1: | 61.05% |
| Party2: | Democratic Party (United States) |
| Nominee2: | Eugene C. Bonniwell |
| Popular Vote2: | 305,315 |
| Percentage2: | 33.74% |
| Map Size: | 250px |
| Governor | |
| Before Election: | Martin G. Brumbaugh |
| Before Party: | Republican Party (United States) |
| After Election: | William Sproul |
| After Party: | Republican Party (United States) |
The 1918 Pennsylvania gubernatorial election occurred on November 5, 1918. Incumbent Republican governor Martin Brumbaugh was not a candidate for re-election. Republican candidate William Sproul defeated Democratic candidate Eugene C. Bonniwell to become Governor of Pennsylvania.