Swimming at the 2007 World Aquatics Championships – Men's 4 × 100 metre freestyle relay
The men's 4×100 metre freestyle relay at the 2007 World Aquatics Championships took place on 25 March 2007 at the Rod Laver Arena in Melbourne, Australia. The top-12 finishers from this race qualified for the event at the 2008 Olympics. 35 teams entered in the event, of which 34 swam.
The existing records when the event started were:
Final
Heats
