Nancy Hann

Nancy Hann
Official portrait, 2024
Born1973 (age 5152)
AllegianceUnited States
Service / branchNOAA Commissioned Officer Corps
Years of service1999–present
RankVice Admiral
Commands
  • Acting Under Secretary of Commerce for Oceans and Atmosphere
  • Acting Administrator, NOAA
  • Deputy Under Secretary for Operations, NOAA
  • Director, NOAA Commissioned Officer Corps
  • Director, NOAA Office of Marine and Aviation Operations
AwardsDepartment of Commerce Silver Medal with O device
Department of Commerce Bronze Medal
Alma materGeorge Washington University
University of San Diego (BA)
Embry-Riddle Aeronautical University (MS)
Harvard University (MPA)

Nancy A. Hann (born 1973) is a vice admiral in the NOAA Commissioned Officer Corps. Hann is the deputy under secretary for operations at the National Oceanic and Atmospheric Administration. She was held of role of acting NOAA Administrator from January 20 to March 31, 2025. She previously served as the director of the NOAA Corps and director of the NOAA Office of Marine and Aviation Operations (OMAO). Prior to that, Hann was the NOAA Corps and OMAO's deputy director. Hann is the first woman to achieve the rank of vice admiral in the history of the NOAA Corps and its predecessors.