| Election Name: | 1990 Maryland gubernatorial election |
| Country: | Maryland |
| Type: | Presidential |
| Ongoing: | no |
| Turnout: | 54.85%[1] |
| Previous Election: | 1986 Maryland gubernatorial election |
| Previous Year: | 1986 |
| Next Election: | 1994 Maryland gubernatorial election |
| Next Year: | 1994 |
| Election Date: | November 6, 1990 |
| Image1: | File:William Donald Schaefer.jpg |
| Nominee1: | William Donald Schaefer |
| Party1: | Democratic Party (United States) |
| Running Mate1: | Melvin Steinberg |
| Popular Vote1: | 664,015 |
| Percentage1: | 59.76% |
| Nominee2: | William S. Shepard |
| Party2: | Republican Party (United States) |
| Running Mate2: | Lois Shepard |
| Popular Vote2: | 446,980 |
| Percentage2: | 40.23% |
| Map Size: | 295px |
| Governor | |
| Before Election: | William Donald Schaefer |
| Before Party: | Democratic Party (United States) |
| After Election: | William Donald Schaefer |
| After Party: | Democratic Party (United States) |
The 1990 Maryland gubernatorial election was held on November 6, 1990. Incumbent Democrat William Donald Schaefer defeated Republican nominee William S. Shepard handily (59.76% to 40.23%).
, this was the last occasion that the following counties have voted Democratic in a gubernatorial election: Cecil, Calvert, Harford, St. Mary's, and Worcester.
Primary elections were held on September 11, 1990.[2]