The 24th Senate District of Wisconsin is one of 33 districts in the Wisconsin Senate. Located in west-central Wisconsin, the district comprises all of Jackson County, most of Juneau County, most of northern Adams County, eastern and northern Monroe County, southern Wood County, and central and southwest Portage County. It contains the cities of Black River Falls, Stevens Point, Tomah, and Wisconsin Rapids, and the U.S. Army base Fort McCoy.

The Wisconsin Senate is the upper house of the Wisconsin State Legislature. Together with the larger Wisconsin State Assembly they constitute the legislative branch of the state of Wisconsin. The powers of the Wisconsin Senate are modeled after those of the U.S. Senate.