Who is the female swimmer who one the most medals in one Olympics?

Answer 1

That is Kristin Otto of East Germany at the 1988 Games in Seoul and Natalie Coughlin of the United States at the 2008 Games in Beijing. Each won 6 medals.

All of Kristin Otto's 6 medals were gold. She won the 50 meter freestyle, 100 meter freestyle, 100 meter breaststroke, 100 meter butterfly, 4x100 meter medley relay, and 4x100 meter freestyle relay.

Natalie Coughlin won 1 gold, 2 silver, and 3 bronze at the 2008 Games. She won gold in 100 meter backstroke, silver in 4x100 meter medley relay and 4x100 meter freestyle relay, and bronze in 4x200 meter freestyle relay, 100 meter freestyle, and 200 meter individual medley.