Swimming at the 2007 World Aquatics Championships – Men's 200 metre backstroke

The men's 200 metre backstroke at the 2007 World Aquatics Championships took place on 29 March (heats and semifinals) and 30 March (final) at Rod Laver Arena in Melbourne, Australia. 57 swimmers were entered in the event, of which 55 swam.

Existing records at the start of the event were:
 * World record (WR): 1:54.44, Aaron Peirsol (USA), August 19, 2006 in Victoria, Canada.
 * Championship record (CR): 1:54.66, Aaron Peirsol (USA), Montreal 2005 (July 29, 2005)