Antonia "Toni" Handler Chayes (born July 21, 1929) is an American lawyer and educator who served as Assistant Secretary of the Air Force (Manpower and Reserve Affairs) from 1977 to 1979 and as United States Under Secretary of the Air Force from 1979 to 1981.

[1] From 1959 to 1961, Chayes was executive assistant to Erwin Griswold, the Dean of Harvard Law School.

[1] She was then a consultant to a Baltimore community development firm 1962-63, and a social science adviser to the National Institute of Mental Health 1964-65.

[1] In 1977, President of the United States Jimmy Carter nominated Chayes to be Assistant Secretary of the Air Force (Manpower and Reserve Affairs).

[3] After leaving the Carter Administration, Chayes joined the faculty of the John F. Kennedy School of Government in 1981, teaching there until 2003.