| Election Name: | 1946 Maryland gubernatorial election |
| Country: | Maryland |
| Type: | Presidential |
| Ongoing: | no |
| Previous Election: | 1942 Maryland gubernatorial election |
| Previous Year: | 1942 |
| Next Election: | 1950 Maryland gubernatorial election |
| Next Year: | 1950 |
| Election Date: | November 5, 1946 |
| Image1: | File:William Preston Lane.jpg |
| Nominee1: | William Preston Lane Jr. |
| Party1: | Democratic Party (United States) |
| Popular Vote1: | 268,084 |
| Percentage1: | 54.73% |
| Party2: | Republican Party (United States) |
| Popular Vote2: | 221,752 |
| Percentage2: | 45.27% |
| Map Size: | 280px |
| Governor | |
| Before Election: | Herbert O'Conor |
| Before Party: | Democratic Party (United States) |
| After Election: | William Preston Lane Jr. |
| After Party: | Democratic Party (United States) |
The 1946 Maryland gubernatorial election was held on November 5, 1946. Democratic nominee William Preston Lane Jr. defeated Republican nominee Theodore McKeldin with 54.73% of the vote.