Tom Tiffany secured the Republican nomination for Wisconsin governor in the August 11, 2026 primary with roughly 95 percent of the vote against minor challenger Andy Manske. His position stems from an early endorsement by President Donald Trump that prompted other potential candidates to exit, combined with formal backing from the state Republican Party and strong fundraising that allowed sustained advertising. As a sitting U.S. representative from the 7th district and former state legislator aligned with conservative priorities, Tiffany faced no credible intra-party contest. With the primary concluded and results certified, scenarios capable of altering the outcome are limited to procedural disputes or recounts, both of which remain unlikely given the margin.