2026 United States Senate election in South Carolina

The 2026 United States Senate election in South Carolina will be held on November 3, 2026, to elect a member of the United States Senate to represent the state of South Carolina. Incumbent four-term Republican Senator Lindsey Graham, who was re-elected in 2020, is eligible to run for re-election to a fifth term in office.

Potential
Lindsey Graham has a reputation as a Moderate Republican, which has led to him being more vulnerable to a primary challenge from the right.
 * Lindsey Graham, incumbent U.S. Senator (2003–present)
 * Ralph Norman, U.S. Representative from SC's 5th congressional district (2017–present)

Filed paperwork

 * Catherine Fleming Bruce, author and candidate for U.S. Senate in 2022