Kansas's 9th Senate district is one of 40 districts in the Kansas Senate.

It has been represented by Republican Julia Lynn since 2005; Lynn will be succeeded by fellow Republican Beverly Gossage in 2021.

[2] District 9 covers central and northwestern Johnson County in the suburbs of Kansas City, including all of De Soto and parts of Olathe, Lenexa, and Gardner.

[3] The district is located entirely within Kansas's 3rd congressional district, and overlaps with the 14th, 15th, 26th, 30th, 38th, 43rd, 49th, and 121st districts of the Kansas House of Representatives.

[4] After winning the Republican primary unopposed, incumbent Julia Lynn dropped her 2020 bid for re-election citing her sister's health, and was replaced on the Republican line by Beverly Gossage.