The men's 50 kilometre cross-country skiing competition at the 1968 Winter Olympics in Grenoble, France, was held on Saturday 17 February at Autrans.

[1] Gjermund Eggen of Norway was the defending World champion while Sixten Jernberg of Sweden was the defending Olympic champion.

[2] Each skier started at half a minute intervals, skiing the entire 50 kilometre course.

Of the 51 athletes who started the race, 4 did not finish.

Ole Ellefsæter of Norway took his second gold medal of the Games after being a part of Norway's winning team in the 4×10 kilometre relay earlier in the games.