Athletics at the 1964 Summer Olympics – Men's 800 metres

The men's 800 metres was the middle of the seven men's track races in the Athletics at the 1964 Summer Olympics program in Tokyo. It was held on 14 October, 15 October, and 16 October 1964. 47 athletes from 32 nations entered, with 1 not starting the first round. The first round was held on 14 October, with the semifinals on 15 October and the final on 16 October.

Athletics at the 1964 Summer Olympics – Men's 800 metres

The men's 800 metres was the middle of the seven men's track races in the Athletics at the 1964 Summer Olympics program in Tokyo. It was held on 14 October, 15 October, and 16 October 1964. 47 athletes from 32 nations entered, with 1 not starting the first round. The first round was held on 14 October, with the semifinals on 15 October and the final on 16 October.