Denmark competed at the 1980 Summer Olympics in Moscow, USSR.

In partial support of the American-led boycott of the 1980 Summer Olympics, Denmark competed under the Olympic Flag instead of its national flag.

58 competitors, 55 men and 3 women, took part in 30 events in 13 sports.

[1] Men's 400 metres Men's Marathon Men's Lightweight (– 60 kg) Men's Welterweight (– 67 kg) Men's Light Heavyweight (– 81 kg) Men's Canadian Singles, 1,000 metres Eleven cyclists represented Denmark in 1980.

Men's Platform Men's coxless pairs Men's quadruple sculls Women's single sculls Women's 100m Breaststroke Women's 200m Breaststroke Women's 400m Individual Medley Men's Light Heavyweight Men's Welterweight, Greco-Roman Men's Heavyweight, Greco-Roman