Ketanji Onyika Brown Jackson is an American lawyer and jurist who is an associate justice of the Supreme Court of the United States. Jackson was nominated to the Supreme Court by President Joe Biden on February 25, 2022, and confirmed by the U.S. Senate and sworn into office that same year. She is the first black woman and the first former federal public defender to serve on the Supreme Court. From 2021 to 2022, Jackson was a United States circuit judge of the United States Court of Appeals for the District of Columbia Circuit.

An associate justice of the Supreme Court of the United States is a justice of the Supreme Court of the United States, other than the chief justice of the United States. The number of associate justices is eight, as set by the Judiciary Act of 1869.