# 1918 United States Senate election in Oklahoma

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vte :
The 1918 United States Senate election in Oklahoma took place on November 5, 1918. Incumbent Senator Robert L. Owen, a Democrat, sought re-election in his first popular election. He won the Democratic primary in a landslide and faced former U.S. Attorney W. B. Johnson in the general election. Owen won re-election by a wide margin.

## Democratic primary
### Candidates

* Robert L. Owen, incumbent U.S. Senator
* Robert Galbreath Jr., oilman

### Results

Democratic primary :
| Party | Party | Candidate | Votes | % |
| | Democratic | Robert L. Owen (inc.) | 71,356 | 75.50% |
| | Democratic | Robert Galbreath Jr. | 23,158 | 24.50% |
| Total votes | Total votes | Total votes | 94,514 | 100.00% |

## Republican primary
### Candidates

* W. B. Johnson, former U.S. Attorney

### Results

Republican primary :
| Party | Party | Candidate | Votes | % |
| | Republican | W. B. Johnson | 35,490 | 100.00% |
| Total votes | Total votes | Total votes | 35,490 | 100.00% |

## Socialist Primary
### Candidates

* C. M. Greenland

### Results

Socialist primary :
| Party | Party | Candidate | Votes | % |
| | Socialist | C. M. Greenland | 5,554 | 100.00% |
| Total votes | Total votes | Total votes | 5,554 | 100.00% |

## General election
### Results

1918 United States Senate election in Oklahoma :
| Party | Party | Candidate | Votes | % |
| | Democratic | Robert L. Owen (inc.) | 105,009 | 55.47% |
| | Republican | W. B. Johnson | 77,043 | 40.69% |
| | Socialist | C. M. Greenland | 7,272 | 3.84% |
| Majority | Majority | Majority | 27,966 | 14.77% |
| Total votes | Total votes | Total votes | 189,324 | 100.00% |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |