Swimming at the 2005 World Aquatics Championships – Women's 200 metre individual medley

The Women's 200m Individual Medley event at the 11th FINA World Aquatics Championships swam on 24 and 25 July 2005 in Montreal, Canada. Preliminary and Semifinals heats were 24 July; the Final was 25 July.

At the start of the event, the existing World (WR) and Championships (CR) records were:
 * WR: 2:09.72 swum by Yanyan Wu (China) on 17 October 1997 in Shanghai, China
 * CR: 2:10.75 swum by Yana Klo chkova (Ukraine) on 21 July 2003 in Barcelona, Spain