| Robert Olson | |
| State Senate: | Kansas |
| District: | 23rd |
| Term Start: | January 10, 2011 |
| Preceded: | Karin Brownlee |
| State House1: | Kansas |
| District1: | 26th |
| Term Start1: | January 10, 2005 |
| Term End1: | January 10, 2011 |
| Preceded1: | Larry Campbell |
| Succeeded1: | Robert Montgomery |
| Party: | Republican |
| Birth Date: | 1 December 1969[1] |
| Birth Place: | WaKeeney, Kansas, U.S. |
| Spouse: | Rachel Olson |
| Profession: | State Senator |
| Residence: | Olathe, Kansas |
Robert S. Olson (born December 1, 1969) is a Republican member of the Kansas Senate, representing the 23rd district. He was previously a Representative in the Kansas House of Representatives, representing the 26th district from 2005 to 2010, having served as the Majority Whip. Olson was appointed to the Kansas Senate following Karin Brownlee's nomination to serve as Kansas Secretary of Labor.[2] On February 13, 2023, Olson announced he would not seek reelection to his Senate seat.[3]