Marjorie McKenzie Lawson (March 2, 1912 – October 11, 2002) was an African American attorney and judge who served on multiple federal commissions. Lawson's work as a lawyer focused on real estate development for urban renewal. She worked as the civil rights director for John F. Kennedy's 1960 presidential campaign, garnering endorsements from prominent Black community leaders and advising his policy decisions. In 1962 she was appointed by President Kennedy as an associate judge for the Juvenile Court of the District of Columbia, making her the first Black woman judge in the District. She was also appointed as the U.S. representative to the United Nations Economic and Social Council in 1965.