| Election Name: | 1890 Colorado gubernatorial election |
| Country: | Colorado |
| Type: | Presidential |
| Ongoing: | no |
| Previous Election: | 1888 Colorado gubernatorial election |
| Previous Year: | 1888 |
| Next Election: | 1892 Colorado gubernatorial election |
| Next Year: | 1892 |
| Election Date: | November 4, 1890 |
| Image1: | File:John Long Routt (cropped).jpg |
| Nominee1: | John Long Routt |
| Party1: | Republican Party (United States) |
| Popular Vote1: | 41,827 |
| Percentage1: | 50.11% |
| Nominee2: | Caldwell Yeaman |
| Party2: | Democratic Party (United States) |
| Popular Vote2: | 35,359 |
| Percentage2: | 42.36% |
| Image3: | File:3x4.svg |
| Nominee3: | John G. Coy |
| Party3: | Labor Party (United States, 19th century) |
| Popular Vote3: | 5,199 |
| Percentage3: | 6.23% |
| Map Size: | 250px |
| Governor | |
| Before Election: | Job Adams Cooper |
| Before Party: | Republican Party (United States) |
| After Election: | John Long Routt |
| After Party: | Republican Party (United States) |
The 1890 Colorado gubernatorial election was held on November 4, 1890. Republican nominee John Long Routt defeated Democratic nominee Caldwell Yeaman with 50.11% of the vote.
Democratic
John Long Routt, former governor
Republican
Caldwell Yeaman, former judge
Union Labor
John G. Coy, activist and journalist
Prohibition
John A. Elett, prohibitionist