Luxembourg football clubs in European competitions

Luxembourg football clubs have participated in European football competitions since Spora Luxembourg took part in the 1956–57 European Cup. In total, 23 different clubs have represented Luxembourg in European competition. Of these, 14 are still in existence while the remaining 9 were merged into a new or existing team.

Competitors
Teams listed in bold in the table below are still active in 2019–20 European competitions.

European Cup / Champions League
PR = Preliminary round; QR = Qualifying round; R1/R2 = First/Second round; Q1/Q2/Q3 = First/Second/Third qualifying round; R16 = Round of 16

Inter-Cities Fairs Cup / UEFA Cup / Europa League
PR = Preliminary round; QR = Qualifying round; R1/R2 = First/Second round; Q1/Q2/Q3 = First/Second/Third qualifying round; PO: Play-off Round; Grp: Group Stage

Europa Conference League
PR = Preliminary round; QR = Qualifying round; R1/R2 = First/Second round; Q1/Q2/Q3 = First/Second/Third qualifying round; PO: Play-off Round; Grp: Group Stage

Cup Winners' Cup
PR = Preliminary round; QR = Qualifying round; R1/R2 = First/Second round

UEFA Intertoto Cup
R1/R2 = First/Second round