Luke A. Rankin (born April 9, 1962) is an American politician.

Rankin is a Republican member of the South Carolina Senate, representing the 33rd District since 1993.

Rankin chairs the Senate Judiciary Committee, and serves on the Senate Banking and Insurance, Education, Ethics, and Transportation Committees.

In 2021, he served as Chairman of the Senate Judiciary Redistricting Committee.

This article about a South Carolina politician is a stub.