2026 Wisconsin Senate election – District 15Nov 3, 2026IncumbentMark Spreitzer DemocraticDistrict 15 general electionNovember 3, 2026Christian Dean IndependentMark Spreitzer Democrat IncumbentScott Fleming RepublicanDemocratic primaryNovember 3, 2026In progress✓Mark Spreitzer IncumbentUnopposedRepublican primaryNovember 3, 2026In progress✓Scott FlemingUnopposed
