The 1978 Berlin Marathon was the 5th running of the annual marathon race held in Berlin, West Germany, held on 3 September. West Germany's Michael Spöttel won the men's race in 2:20:02 hours, while the women's race was won by West Germany's Ursula Blaschke in 2:57:09. A total of 197 runners finished the race, comprising 187 men and 10 women.

This article includes a list of references, related reading, or external links, but its sources remain unclear because it lacks inline citations. (April 2023)