| Election Name: | 1914 United States Senate election in Washington |
| Country: | Washington |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 1909 United States Senate election in Washington |
| Previous Year: | 1909 |
| Next Election: | 1920 United States Senate election in Washington |
| Next Year: | 1920 |
| Election Date: | November 3, 1914 |
| Nominee1: | Wesley L. Jones |
| Party1: | Republican Party (United States) |
| Popular Vote1: | 130,479 |
| Percentage1: | 37.79% |
| Nominee2: | William Wilson Black |
| Party2: | Democratic Party (United States) |
| Popular Vote2: | 91,733 |
| Percentage2: | 26.57% |
| Nominee4: | Ole Hanson |
| Party4: | Progressive Party (United States, 1912) |
| Popular Vote4: | 83,282 |
| Percentage4: | 24.12% |
| Nominee5: | Adam H. Barth |
| Party5: | Socialist Party (US) |
| Popular Vote5: | 30,234 |
| Percentage5: | 8.76% |
| Map Size: | 275px |
| U.S. Senator | |
| Before Election: | Wesley Livsey Jones |
| Before Party: | Republican Party (United States) |
| After Election: | Wesley Livsey Jones |
| After Party: | Republican Party (United States) |
The 1914 United States Senate election in Washington was held on November 3, 1914. Incumbent Republican U.S. Senator Wesley Livsey Jones was re-elected to a second term in office in a three-way race with William Wilson Black and Ole Hanson. This election was the first time since 1891 that an incumbent Republican Senator from Washington was re-elected or won re-election.