| Election Name: | 1879 Maryland gubernatorial election |
| Country: | Maryland |
| Flag Year: | 1877 |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 1875 Maryland gubernatorial election |
| Previous Year: | 1875 |
| Next Election: | 1883 Maryland gubernatorial election |
| Next Year: | 1883 |
| Election Date: | November 6, 1879 |
| Nominee1: | William Thomas Hamilton |
| Party1: | Democratic Party (United States) |
| Popular Vote1: | 90,771 |
| Percentage1: | 56.86% |
| Nominee2: | James Albert Gary |
| Party2: | Republican Party (United States) |
| Popular Vote2: | 68,609 |
| Percentage2: | 42.98% |
| Map Size: | 280px |
| Governor | |
| Before Election: | John Lee Carroll |
| Before Party: | Democratic Party (United States) |
| After Election: | William Thomas Hamilton |
| After Party: | Democratic Party (United States) |
The 1879 Maryland gubernatorial election took place on November 6, 1879.
Incumbent Democratic Governor John Lee Carroll did not seek re-election.
Democratic candidate William Thomas Hamilton defeated Republican candidate James Albert Gary.