Barbara Jayne Jensen (later Reeve, later Jackson, September 15, 1929 – December 20, 2018) was an American competition swimmer who represented the United States at the 1948 Summer Olympics in London.

[5] She learned to swim at the Jewish Community Center in San Francisco and started competing around the age of 12.

[6] At age 44, she earned a master's degree in sociology from Saint Xavier University in Chicago.

[10][11] and placed fifth in the voting for female Athlete of the Year in the annual Associated Press poll of sports writers.

[12] In the early 1950s, after she married, Barbara Jensen Reeve was a swimmer with the Chicago Town Club.