Athletics at the 1968 Summer Olympics – Men's 4 × 100 metres relay
These are the official results of the men's 4 × 100 metres relay event at the 1968 Summer Olympics in Mexico City, Mexico. The event was held on Saturday and Sunday, 19 and 20 October 1968. There were a total number of 19 nations competing. The race was won by the United States in world record time.