| Election Name: | 1916 United States Senate election in Montana |
| Country: | Montana |
| Flag Year: | 1905 |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 1911 United States Senate election in Montana |
| Previous Year: | 1911 |
| Next Election: | 1922 United States Senate election in Montana |
| Next Year: | 1922 |
| Election Date: | November 7, 1916 |
| Image1: | File:Henry L. Myers cph.3b15990.jpg |
| Nominee1: | Henry L. Myers |
| Party1: | Democratic Party (United States) |
| Popular Vote1: | 85,585 |
| Percentage1: | 51.06% |
| Nominee2: | Charles N. Pray |
| Party2: | Republican Party (United States) |
| Popular Vote2: | 72,753 |
| Percentage2: | 43.40% |
| Image3: | File:3x4.svg |
| Nominee3: | Henry La Beau |
| Party3: | Socialist Party (United States) |
| Popular Vote3: | 9,292 |
| Percentage3: | 5.54% |
| Map Size: | 300px |
| U.S. Senator | |
| Before Election: | Henry L. Myers |
| Before Party: | Democratic Party (United States) |
| After Election: | Henry L. Myers |
| After Party: | Democratic Party (United States) |
The 1916 United States Senate election in Montana took place on November 7, 1916. Incumbent Senator Henry L. Myers was re-elected to a second term in office, defeating Republican Charles N. Pray.