The men's long jump at the 1980 Summer Olympics in Moscow, Russian SFSR, Soviet Union had a start list of 32 competitors from 23 countries, with two qualifying groups (32 jumpers) before the final (12) took place on Monday July 28, 1980.

[1] The event was won by 33cm by Lutz Dombrowski of East Germany, the first gold medal in the men's long jump by any German jumper.

Frank Paschek made East Germany the only nation other than the United States to have two men on the podium in the same Games in the event.

Valeriy Podluzhniy won the Soviet Union's first men's long jump medal since 1964.

The qualifying round gave each competitor three jumps to achieve a distance of 7.90 metres; if fewer than 12 men did so, the top 12 (including all those tied) would advance.