| Election Name: | 1891 Maryland gubernatorial election |
| Country: | Maryland |
| Flag Year: | 1891 |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 1887 Maryland gubernatorial election |
| Previous Year: | 1887 |
| Next Election: | 1895 Maryland gubernatorial election |
| Next Year: | 1895 |
| Election Date: | November 3, 1891 |
| Nominee1: | Frank Brown |
| Party1: | Democratic Party (United States) |
| Popular Vote1: | 108,539 |
| Percentage1: | 56.52% |
| Nominee2: | William J. Vannort |
| Party2: | Republican Party (United States) |
| Popular Vote2: | 78,388 |
| Percentage2: | 40.82% |
| Map Size: | 280px |
| Governor | |
| Before Election: | Elihu Emory Jackson |
| Before Party: | Democratic Party (United States) |
| After Election: | Frank Brown |
| After Party: | Democratic Party (United States) |
The 1891 Maryland gubernatorial election took place on November 3, 1891.
Incumbent Democratic Governor Elihu Emory Jackson did not seek re-election.
Democratic candidate Frank Brown defeated Republican candidate William J. Vannort.