Greek football clubs in European competitions

Olympiacos made the first appearance when they took part in the 1959–60 European Cup and is the club with the most apps/matches in total. They are also the only Greek team to have won a European trophy and the first team in Europe to win the men's and U19 European title in the same season, after winning the UEFA Youth League, at youth level, and later the UEFA Conference League, at senior level, in 2024. Other important landmarks of Greek football in European competitions are the participation of Panathinaikos in the 1971 European Cup final and in the semi-finals of the 1985 and 1996 editions. AEK Athens are the only Greek team to have reached the semi-finals of the UEFA Cup, in 1977. Greek clubs have reached at least the quarter-finals of a European competition on 19 occasions in total. A total of 20 Greek clubs have participated in European competitions so far.

Appearances in UEFA competitions
App = Appearances; Mat=Matches; W = Matches won; D = Matches drawn; L = Matches lost;

Total amount of points scored for the UEFA country ranking since season 1955/56
Source: swissfootballdata.com

Table of the top 4 Greek teams in the European cups
The overall score of the Greek clubs in the European cups, according to which they are classified in capacity groups.

UEFA Cup Winners' Cup (1960/61 – 1998/99)

 * Olympiacos is the team with the most qualifications (56) and the only one to have won a European trophy.

Top scorers by team in European cups

 * 1) Demis Nikolaidis with 26 goals for AEK
 * 2) Krzysztof Warzycha with 25 goals for Panathinaikos
 * 3) Youssef El-Arabi with 20 goals for Olympiacos
 * 4) Stefanos Athanasiadis with 20 goals for PAOK

UEFA Intertoto Cup
1 Olympiacos withdrew for political reasons.

2: Match played at Wembley Stadium, London

3: The original game ended 2–1 for Panathinaikos and this led to a penalty shoot-out. While CSKA Sofia was leading by 3–2, the Soviet referee Lipatov interrupted the shoot-out and declared the Bulgarian team as winners (although CSKA Sofia had shot 3 penalties no miss and Panathinaikos had shot 4 penalties 2 misses. Therefore, UEFA decided that the match should be replayed.

4: The Ukrainian team Dynamo Kyiv, participant in the Champions League, was disqualified by UEFA after its first game in the league stage (Dinamo Kyiv 1–0 Panathinaikos, at the Olimpiyskyi Stadion, Kyiv on 13 September 1995), when the Spanish referee Antonio Jesús López Nieto reported a bribe attempt (including minks and female escort). To replace Dinamo Kyiv in the group stage, UEFA promoted its qualifying round rivals Aalborg.

5: The first leg finished 2–1 to Maccabi Tel Aviv but UEFA awarded a 3–0 walkover to Maccabi Tel Aviv because PAOK fielded an ineligible suspended player (Liassos Louka).

6: PAOK had lost to Metalist Kharkiv in the third qualifying round and Metalist Kharkiv were drawn against Schalke 04. However, they were excluded from the competition by UEFA for their involvement in a match-fixing scandal in the 2007–08 season. UEFA decided to replace them with PAOK in the play-off round.

7 Olympiacos withdrew

8 The away goal rule didn't exist at the time, so to break the tie a play-off game was played in Vienna, Austria where Olympiacos won 2–0.

9 Iraklis got a bye.

10 The game was suspended after Cagliari's third goal because three Greek players refused to return to the pitch after they were expelled by the police. Later, UEFA validated the score of 3–0 as definitive.

11 Panionios was disqualified after the first leg due to fan riots.

12: The original game was interrupted in the 88th minute, while the score was a 3–3 draw, due to a floodlight failure in the stadium, and UEFA established that it should be replayed from the beginning.

13: The match was interrupted in the 51st minute, while Paris Saint-Germain were leading by 0–2, due to incidents in the stands. Paris Saint-Germain were later awarded a 0–3 walkover win by UEFA.

14: Olympiacos Volos, reached the play-off round and were drawn against Paris Saint-Germain. However, they were excluded from the competition by UEFA on 11 August 2011 for their involvement in a match-fixing scandal. UEFA decided to replace them with Differdange from Luxembourg, which had lost to Olympiacos Volos in the third qualifying round, in the play-off round.

15: Olympiacos withdrew after the first two matches and lost the away match to Toulouse with a walk over. Olympiacos received a heavy fine from UEFA, who obliged the Greek Football Federation to find another team to replace Olympiacos, otherwise all Greek clubs would be banned from next season's European competitions. Finally, Panionios was the replacing team and played the three remaining matches of the group phase.

16: Match played by Olympiacos.

17: Match played by Panionios.

UEFA Youth League
The UEFA Youth League is a European youth football competition, equivalent to the men's Champions League, featuring the youth (U19) teams of clubs competing in the Champions League group stage, plus the domestic youth champions of the highest-ranked national associations. It started in the 2013-14 season and Olympiacos was crowned European champion for 2024. It thus became the first Greek team to win a European club football title.