Swimming at the 2005 World Aquatics Championships – Women's 100 metre freestyle

The Women's 100m Freestyle event at the 11th FINA World Aquatics Championships was swum 28 – 29 July 2005 in Montreal, Quebec, Canada. Preliminary heats and Semifinal heats were 28 July; the final was 29 July. At the start of the event, the existing World and Championships records were: * WR: 53.52, Jodie Henry (Australia), swum 18 August 2004 in Athens, Greece * CR: 54.01, Le Jingyi (China), swum 5 September 1994 in Rome, Italy

Swimming at the 2005 World Aquatics Championships – Women's 100 metre freestyle

The Women's 100m Freestyle event at the 11th FINA World Aquatics Championships was swum 28 – 29 July 2005 in Montreal, Quebec, Canada. Preliminary heats and Semifinal heats were 28 July; the final was 29 July. At the start of the event, the existing World and Championships records were: * WR: 53.52, Jodie Henry (Australia), swum 18 August 2004 in Athens, Greece * CR: 54.01, Le Jingyi (China), swum 5 September 1994 in Rome, Italy