The 2016 presidential campaign of Ben Carson, a pediatric neurosurgeon and bestselling author, was announced May 3, 2015, in an interview with a local television station in Cincinnati, Ohio. He formally announced his candidacy for the Republican nomination in the 2016 presidential election at a rally in his hometown of Detroit on May 4, 2015. On March 4, 2016, Carson officially ended his campaign in a speech at CPAC. He endorsed Donald Trump on March 11. After Trump won the general election, he selected Carson to be his Secretary of Housing and Urban Development, with Carson announcing an additional administration role overseeing the repeal and replacement of the Patient Protection and Affordable Care Act.

Benjamin Solomon Carson Sr. is an American retired neurosurgeon, academic, author, and politician who served as the 17th United States Secretary of Housing and Urban Development from 2017 to 2021. A pioneer in the field of neurosurgery, he was a candidate for President of the United States in the 2016 Republican primaries. Carson is one of the most prominent Black conservatives in America.