The 1972–73 season of the European Cup football club tournament was won for the third consecutive time by Ajax in the final against Juventus at Red Star Stadium in Belgrade.

The win by Ajax resulted in the fourth consecutive championship by a Dutch team.

The game was annulled because the referee ended the shoot-out prematurely after Panathinaikos fourth penalty was saved by Bulgarian goalkeeper.

[3] Panathinaikos complained to UEFA and the match was annulled and replayed the following month.

Argeș Pitești won 6–0 on aggregate.

2–2 on aggregate; Juventus won on away goals.