2020 Oklahoma Senate election

The 2020 Oklahoma Senate election was held as part of the biennial elections in the United States. Oklahoma voters elected state senators in 24 of the state's 48 Senate districts. State senators serve four-year terms in the Oklahoma Senate.

Retirements
Two incumbents did not run for re-election in 2020. Those incumbents are:

Republicans

 * 1) District 5: Joseph Silk: Retired
 * 2) District 35: Gary Stanislawski: Retired

Republicans
Four Republicans lost renomination.


 * 1) District 3: Wayne Shaw lost renomination to Blake Stephens.
 * 2) District 7: Larry Boggs lost renomination to 	Warren Hamilton.
 * 3) District 17: Ron Sharp lost renomination to Shane Jett.
 * 4) District 43: Paul Scott lost renomination to Jessica Garvin.

Democrats

 * 1) District 37: Allison Ikley-Freeman lost to Cody Rogers.

District 28
A special election for Oklahoma State Senate District 28 has been called for November 3, 2020. A primary was scheduled for June 30, 2020. The candidate filing deadline was April 10, 2020. The seat became vacant after Jason Smalley resigned his seat on January 31, 2020, to take a private-sector job with Motorola Solutions Corporation.