Swimming at the 2005 World Aquatics Championships – Men's 200 metre backstroke

The men's 200 metre backstroke event at the 2005 World Aquatics Championships took place between 28 July – 29 July. Both the heats and semifinals were held on 28 July, with the heats being held in the morning session and the semifinals in the evening session. The final was held on 29 July.

Records
Prior to the competition, the existing world and championship records were as follows.

The following records were established during the competition:

Final
Key: WR = World record