Dianne Mitchell

Dianne Mitchell is a member of the South Carolina House of Representatives where she has represented the 21st District since January 9, 2026. She is a member of the Republican Party.
Mitchell is a former teacher.

Political career

Special election

On August 11, 2025, Republican incumbent Bobby Cox announced his resignation from the South Carolina House of Representative effective January 2026, in order to run for the seat of resigning senator Roger Nutt. The special election was scheduled for December 23, 2025, with primaries on October 21.
Mitchell announced her candidacy for the seat on August 25, 2025 and was backed by members of the South Carolina Freedom Caucus. Among her endorsers:

Greenville Sheriff Hobart Lewis
Upstate Businessman John Warren
Rep. Thomas Beach
Rep. Mike Burns
Rep. April Cromer
Rep. Stephen Frank
Rep. Sarita Edgerton
Rep. Jordan Pace
Rep. Jay Kilmartin
Rep. Joe White
Rep. Lee Gilreath
Former Rep. Adam Morgan
Former Rep. Ashley Trantham

Three other candidates filed to run for the SC House District 21 seat: Reggy Batson, small business owner and former firefighter; Steve Nail, Dean of Anderson University’s College of Business, and Jack Stott, chairman, Upstate Young Republicans.
On August 29, 2025, Cox suspended his campaign for the State Senate seat, citing business obligations.
Nail and Mitchell faced each other in the Republican Primary runoff, with Mitchell emerging the winner. With no Democrat in the race, Mitchell won the seat in December.

Party activism

Mitchell served as past chair of the Greenville Republican Women's Club.