| Election Name: | 1914 United States Senate election in California |
| Country: | California |
| Type: | presidential |
| Ongoing: | no |
| Flag Image: | Flag of California (1911–1924).pngborder |
| Previous Election: | 1909 United States Senate election in California |
| Previous Year: | 1909 |
| Next Election: | 1920 United States Senate election in California |
| Next Year: | 1920 |
| Election Date: | November 3, 1914 |
| Image1: | File:JamesDPhelan.jpg |
| Nominee1: | James Duval Phelan |
| Party1: | Democratic Party (US) |
| Popular Vote1: | 279,896 |
| Percentage1: | 31.59% |
| Nominee2: | Francis J. Heney |
| Party2: | Progressive Party (US, 1912) |
| Popular Vote2: | 255,232 |
| Percentage2: | 28.81% |
| Image4: | File:JosephRKnowland.jpg |
| Nominee4: | Joseph R. Knowland |
| Party4: | Republican Party (US) |
| Popular Vote4: | 254,159 |
| Percentage4: | 28.69% |
| Image5: | File:Untermann-Ernest-1909.jpg |
| Nominee5: | Ernest Untermann |
| Party5: | Socialist Party of America |
| Popular Vote5: | 56,805 |
| Percentage5: | 6.41% |
| Map Size: | 250px |
| U.S. Senator | |
| Before Election: | George Clement Perkins |
| Before Party: | Republican Party (United States) |
| After Election: | James Duval Phelan |
| After Party: | Democratic Party (United States) |
The 1914 United States Senate election in California was held on November 3, 1914. Incumbent Republican Senator George Clement Perkins did not run for re-election.
In a three-way race, Democratic former mayor of San Francisco James Duval Phelan defeated Progressive attorney Francis J. Heney and Republican U.S. Representative Joseph R. Knowland.