| Election Name: | 2016 Wyoming State Senate election |
| Country: | Wyoming |
| Type: | legislative |
| Ongoing: | no |
| Previous Election: | Wyoming State Senate election, 2014 |
| Previous Year: | 2014 |
| Next Election: | Wyoming State Senate election, 2018 |
| Next Year: | 2018 |
| Seats For Election: | 15 seats from the Wyoming State Senate |
| Leader1: | Phil Nicholas |
| Party1: | Republican Party (United States) |
| Leaders Seat1: | 10th District |
| Seats Before1: | 26 |
| Seats After1: | 27 |
| Seat Change1: | 1 |
| Popular Vote1: | 85,881 |
| Percentage1: | 64.70% |
| Leader2: | Chris Rothfuss |
| Party2: | Democratic Party (United States) |
| Leaders Seat2: | 9th District |
| Seats Before2: | 4 |
| Seats After2: | 3 |
| Seat Change2: | 1 |
| Popular Vote2: | 28,717 |
| Percentage2: | 21.63% |
| Map Size: | 350px |
| President pro tempore | |
| Posttitle: | President pro tempore-designate |
| Before Election: | Phil Nicholas |
| Before Party: | Republican Party (United States) |
| After Election: | Phil Nicholas |
| After Party: | Republican Party (United States) |
The 2016 Wyoming State Senate election were held on November 8, 2016, with the primary election on August 16, 2016. Voters in the 15 districts of the Wyoming Senate elected their representatives. The elections coincided with the elections for other offices, including for U.S. President and the state assembly.
| Wyoming State Senate elections, 2016 General election — November 8, 2016 | ||||||||
|---|---|---|---|---|---|---|---|---|
| Party | Votes | Percentage | Not up | Contested | Before | After | +/– | |
| Republican | 85,881 | 64.70% | 13 | 13 | 26 | 27 | 1 | |
| Democratic | 28,717 | 21.63% | 4 | 2 | 4 | 3 | 1 | |
| Independent | 8,570 | 6.46% | 0 | 2 | 0 | 0 | ||
| Write-ins | 894 | 0.67% | 0 | 15 | 0 | 0 | ||
| Overvote | 41 | 0.03% | 0 | 15 | 0 | 0 | ||
| Undervote | 8,639 | 6.51% | 0 | 15 | 0 | 0 | ||