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

47 competitors, 44 men and 3 women, took part in 38 events in 11 sports.

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

In Ireland's second appearance in archery competition at the Olympics, the nation was represented by two men and one woman.

The men included Ireland's only veteran from 1976, James Conroy.