The 1988âÂÂ89 season of the European Cup Winners' Cup was won for the third time by Barcelona in the final against Italian entrants Sampdoria. The two sides would meet again in the 1992 European Cup Final, which Barcelona also won. Wimbledon did not participate due to UEFA's five-year ban on English clubs from European competition. The defending champions Mechelen were eliminated in the semi-finals by eventual runners-up Sampdoria.
Békéscsabai won 4âÂÂ2 on aggregate.
Mechelen won 8âÂÂ1 on aggregate.
Eintracht Frankfurt won 1âÂÂ0 on aggregate.
Cardiff City won 4âÂÂ0 on aggregate.
AGF won 7âÂÂ2 on aggregate.
Barcelona won 7âÂÂ0 on aggregate.
Lech Poznaà  won 4âÂÂ2 on aggregate.
Sredets Sofia won 8âÂÂ2 on aggregate.
Panathinaikos won 3âÂÂ0 on aggregate.
Roda JC won 2âÂÂ1 on aggregate.
Metalist Kharkiv won 4âÂÂ2 on aggregate.
Sakaryaspor won 2âÂÂ1 on aggregate.
Anderlecht won 5âÂÂ1 on aggregate.
Dundee United won 1âÂÂ0 on aggregate.
Dinamo BucureÃÂti won 6âÂÂ0 on aggregate.
Carl Zeiss Jena won 5âÂÂ1 on aggregate.
Sampdoria won 3âÂÂ2 on aggregate.
AGF won 6âÂÂ1 on aggregate.
2âÂÂ2 on aggregate; Barcelona won 5âÂÂ4 on penalties.
Sredets Sofia won 3âÂÂ0 on aggregate.
Roda JC won 1âÂÂ0 on aggregate.
Eintracht Frankfurt won 6âÂÂ1 on aggregate.
Mechelen won 3âÂÂ0 on aggregate.
Dinamo BucureÃÂti won 2âÂÂ1 on aggregate.
Sampdoria won 4âÂÂ2 on aggregate.
Barcelona won 1âÂÂ0 on aggregate.
3âÂÂ3 on aggregate; Sredets Sofia won 4âÂÂ3 on penalties.
Mechelen won 1âÂÂ0 on aggregate.
1âÂÂ1 on aggregate; Sampdoria won on away goals.
Barcelona won 6âÂÂ3 on aggregate.
Sampdoria won 4âÂÂ2 on aggregate.