| Election Name: | 1878 Arkansas gubernatorial election |
| Country: | Arkansas |
| Type: | Presidential |
| Ongoing: | no |
| Previous Election: | 1876 Arkansas gubernatorial election |
| Previous Year: | 1876 |
| Next Election: | 1880 Arkansas gubernatorial election |
| Next Year: | 1880 |
| Election Date: | 2 September 1878 |
| Nominee1: | William Read Miller |
| Party1: | Democratic Party (United States) |
| Popular Vote1: | 88,726 |
| Percentage1: | 100.00% |
| Map Size: | 200px |
| Governor | |
| Before Election: | William Read Miller |
| Before Party: | Democratic Party (United States) |
| After Election: | William Read Miller |
| After Party: | Democratic Party (United States) |
The 1878 Arkansas gubernatorial election was held on 2 September 1878, in order to elect the Governor of Arkansas. Democratic nominee and incumbent Governor William Read Miller won re-election as he ran unopposed.[1]
On election day, 2 September 1878, Democratic nominee William Read Miller won re-election with 88,726 votes as he ran unopposed, thereby retaining Democratic control over the office of Governor. Miller was sworn in for his second term on 13 January 1879.[2]