Kirsten Michaelsen (born 16 June 1943) is a Danish retired swimmer. She competed at the 1960 and 1964 Summer Olympics in the 100-meter backstroke event, but failed to reach the finals.
She is acclaimed in the Danish Swimming Hall of Fame for setting 20 individual Danish records and more than 8 Nordic records. At the 1964 Summer Olympics, she set the Nordic record in the 100-meter backstroke with a time of 1:09.9, lasting 12 years undefeated.
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