Cross country skiing at the 1984 Winter Olympics – Men's 50 km

The 50 kilometre cross-country skiing event was the last event of the men's cross-country skiing programme at the 1984 Winter Olympics, in Sarajevo, Yugoslavia. It was the fourteenth appearance of the 50 km race and had appeared in every Winter games. The competition was held on Sunday, February 19, 1984, at Veliko Polje, Igman.

Of the 54 athletes who started the race, 4 did not finish.

Thomas Wassberg of the Sweden took his second Gold medal of the games after being part of Sweden's winning Men's 4 x 10km relay team, and his third all-time Gold medal. His fellow countryman Gunde Svan took silver and therefore won a medal in every cross-country event for men.