United States Senate election in Oklahoma, 2026 (June 16 Republican primary)
|
← 2022
|
| U.S. Senate, Oklahoma |
|---|
 |
| Democratic primary Republican primary General election |
| Election details |
| Filing deadline: April 3, 2026 |
| Primary: June 16, 2026 Primary runoff: August 25, 2026 General: November 3, 2026 |
| How to vote |
| Poll times:
7 a.m. to 7 p.m. |
| Race ratings |
DDHQ and The Hill: Pending Inside Elections: Solid Republican Sabato's Crystal Ball: Safe Republican |
| Ballotpedia analysis |
| U.S. Senate battlegrounds U.S. House battlegrounds Federal and state primary competitiveness Ballotpedia's Election Analysis Hub, 2026 |
| See also |
U.S. Senate • 1st • 2nd • 3rd • 4th • 5th Oklahoma elections, 2026 U.S. Congress elections, 2026 U.S. Senate elections, 2026 U.S. House elections, 2026 |
A Republican Party primary takes place on June 16, 2026, in Oklahoma to determine which Republican candidate will run in the state's general election on November 3, 2026.
| Candidate filing deadline | Primary election | General election |
|---|---|---|
Heading into the election, the incumbent is Markwayne Mullin (Republican), who was first elected in 2022.
A primary election is an election in which registered voters select a candidate that they believe should be a political party's candidate for elected office to run in the general election. They are also used to choose convention delegates and party leaders. Primaries are state-level and local-level elections that take place prior to a general election. As of February 2026, both the Democratic Party and the Republican Party were scheduled to hold closed primaries in 2026 and 2027, in which only registered party members could participate.[1][2][3]
For information about which offices are nominated via primary election, see this article.
Thirty-three of the 100 U.S. Senate seats are up for election, and another two seats are up for special election. Democrats hold 13 of the seats up for election, and Republicans hold 22. As of January 2026, nine members of the U.S. Senate announced they are not running for re-election. To read more about the U.S. Senate elections taking place this year, click here.
This page focuses on Oklahoma's United States Senate Republican primary. For more in-depth information on the state's Democratic primary and the general election, see the following pages:
- United States Senate election in Oklahoma, 2026 (June 16 Democratic primary)
- United States Senate election in Oklahoma, 2026
Candidates and election results
Note: The following list includes official candidates only. Ballotpedia defines official candidates as people who:
- Register with a federal or state campaign finance agency before the candidate filing deadline
- Appear on candidate lists released by government election agencies
Republican primary
Republican primary for U.S. Senate Oklahoma
Incumbent Markwayne Mullin (R), Nick Hankins (R), Ron Meinhardt (R), Tammy Swearengin (R), and Wayne Washington (R) are running in the Republican primary for U.S. Senate Oklahoma on June 16, 2026.
| ||||
 = candidate completed the Ballotpedia Candidate Connection survey. | ||||
| If you are a candidate and would like to tell readers and voters more about why they should vote for you, complete the Ballotpedia Candidate Connection Survey. | ||||
Do you want a spreadsheet of this type of data? Contact our sales team. | ||||
Candidate profiles
This section includes candidate profiles that may be created in one of two ways: either the candidate completed Ballotpedia's Candidate Connection survey, or Ballotpedia staff may compile a profile based on campaign websites, advertisements, and public statements after identifying the candidate as noteworthy. For more on how we select candidates to include, click here.
Party: Republican Party
Incumbent: No
Submitted Biography: "Born in raised in Oklahoma. Husband and father to two children. I work for a living, like most Oklahomans."
Voting information
- See also: Voting in Oklahoma
Campaign finance
| Name | Party | Receipts* | Disbursements** | Cash on hand | Date |
|---|---|---|---|---|---|
| Markwayne Mullin | Republican Party | $4,666,234 | $2,472,620 | $2,248,620 | As of December 31, 2025 |
| Nick Hankins | Republican Party | $0 | $0 | $0 | Data not available*** |
| Ron Meinhardt | Republican Party | $0 | $0 | $0 | Data not available*** |
| Tammy Swearengin | Republican Party | $30,000 | $63,675 | $0 | As of December 31, 2024 |
| Wayne Washington | Republican Party | $0 | $0 | $0 | Data not available*** |
|
Source: Federal Elections Commission, "Campaign finance data," 2026. This product uses the openFEC API but is not endorsed or certified by the Federal Election Commission (FEC).
* According to the FEC, "Receipts are anything of value (money, goods, services or property) received by a political committee." |
|||||
Ballot access
The table below details filing requirements for U.S. Senate candidates in Oklahoma in the 2026 election cycle. For additional information on candidate ballot access requirements in Oklahoma, click here.
| Filing requirements for U.S. Senate candidates, 2026 | ||||||
|---|---|---|---|---|---|---|
| State | Office | Party | Signatures required | Filing fee | Filing deadline | Source |
| Oklahoma | U.S. Senate | All candidates | 2% of the number of registered voters in the state | $2,000.00 | 4/3/2026 | Source |
See also
- United States Senate election in Oklahoma, 2026 (June 16 Democratic primary)
- United States Senate election in Oklahoma, 2026
- United States Senate Democratic Party primaries, 2026
- United States Senate Republican Party primaries, 2026
- United States Senate elections, 2026
- U.S. Senate battlegrounds, 2026
External links
Footnotes
