The men's 200 metre breaststroke event at the 1968 Summer Olympics was held from 21 to 22 October 1968 at the Alberca OlÃÂmpica Francisco Márquez.
Prior to this competition, the existing world and Olympic records were as follows.
The competition consists of two rounds: heats and a final. The swimmers with the best eight times in the heats advance to the final.
<small>All times are Central Time Zone (UTC-6)</small>
Heat 1
Heat 2
Heat 3
Heat 4
Heat 5