The 1972 Icelandic Cup was the 13th edition of the National Football Cup.
It took place between 19 June 1972 and 12 November 1972, with the final played at Melavöllur in Reykjavík.
The Cup was important, as the winner qualified for the UEFA Cup Winners' Cup. (If a club won both the league and the cup, the losing finalists would take their place in the Cup Winners' Cup).
Clubs from the 1. Deild did not enter until the last 16, while clubs from lower divisions had already played 3 preliminary rounds. In case of a draw, the match was replayed at the ground of the other team.