Stephen John Duckett (born 18 February 1950) is a health economist, policy maker and manager who has occupied many leadership roles in health services in both Australia and Canada, including as Secretary of the Commonwealth Department of Health and Ageing.

Thasunda Brown Duckett (born July 22, 1973) is an American businesswoman who serves as the president and chief executive officer of TIAA.

Melinda Marie Duckett (née Eubank; August 14, 1985 – September 8, 2006) was the mother of Trenton John Duckett, a 2-year-old boy who disappeared from his Leesburg, Florida, home on August 27, 2006.