Jenny Honeycutt (R) and Mark Smith (R) advanced to a June 23 runoff in the Republican primary for South Carolina's 1st Congressional District on June 9, 2026.
Honeycutt, Smith, Jay Byars (R), Sam McCown (R), and Alex Pelbath (R) led in fundraising and local media attention ahead of the primary. Five other candidates also ran.
Incumbent Nancy Mace (R) ran for governor rather than seeking re-election. Mace was first elected in 2020. This was the first election for an open seat in the 1st District since 2013. As of May 2026, major election forecasters rated the general election Solid/Safe Republican.
