Idaho's 15th legislative district is one of 35 districts of the Idaho Legislature. It is currently represented by Codi Galloway, Republican of Boise, Steve Berch, Democrat of Boise, and Dori Healey, Republican of Boise.
From 1992 to 2002, District 15 consisted of a portion of Ada County.
From 2002 to 2012, District 15 consisted of a portion of Ada County.
From 2012 to 2022, District 15 consisted of a portion of Ada County.
District 15 currently consists of a portion of Ada County.