Nimarata Nikki Haley is an American politician and diplomat who served as the 116th governor of South Carolina from 2011 to 2017 and as the 29th U.S. ambassador to the United Nations from January 2017 to December 2018. A Republican, Haley is the first Indian American to serve in a presidential cabinet. She was a candidate in the 2024 Republican Party presidential primaries. Her victory in the Washington, D.C. primary on March 3, 2024 made her the first woman ever to win a Republican Party presidential primary contest.

The governor of South Carolina is the head of government of South Carolina. The governor is the ex officio commander-in-chief of the National Guard when not called into federal service. The governor's responsibilities include making yearly "State of the State" addresses to the South Carolina General Assembly, submitting an executive budget, and ensuring that state laws are enforced.