Swimming at the 2007 World Aquatics Championships – Men's 50 metre breaststroke
The men's 50 metre breaststroke at the 2007 World Aquatics Championships took place on 27 March and on the evening of 28 March at Rod Laver Arena in Melbourne, Australia. 136 swimmers were entered in the event, of which 127 swam.
Existing records at the start of the event were:
Finals
Semifinals
Heats