The administrator of the Small Business Administration is the head of the Small Business Administration of the United States. The administrator is responsible for managing and the day-to-day operations of the agency. The administrator is nominated by the president of the United States and must be confirmed by a vote of the Senate. In January 2012, President Barack Obama announced that the SBA administrator would be elevated to Cabinet rank, a position it last held during the Clinton Administration. The current administrator is Isabel Guzman, who was nominated by President Joe Biden and confirmed by the senate on March 16, 2021.

List of administrators

{{legend|#E6E6AA|Denotes an Acting Administrator of the Small Business Administration|border=black}}{{legend|#cec1e7|Denotes Nominee for Administrator of the Small Business Administration|border=black}}The following is a chronological list of those who have held the office:

Line of succession

The line of succession for the administrator of the Small Business Administration is as follows: