Idaho's 23rd legislative district is one of 35 districts of the Idaho Legislature. It is currently represented by Senator Bert Brackett, Republican of Rogerson, Representative Christy Zito, Republican of Hammett, and Representative Megan Blanksma, Republican of Hammett.
From 1992 to 2002, District 23 consisted of a portion of Twin Falls.
From 2002 to 2012, District 23 consisted of Owyhee County and a portion of Twin Falls County.
District 23 currently consists of Elmore and Owyhee counties and a portion of Twin Falls County.
Beginning in December 2022, District 23 will consist of Owyhee County and a portion of Ada and Canyon counties.