ยูฟ่าแชมเปียนส์ลีก ฤดูกาล 2020–21
การคัดเลือกสโมสร > สโมสร

อันดับในลีกซึ่งเป็นอันดับในฤดูกาลก่อนหน้าจะแสดงในวงเล็บ (TH: สโมสรชนะเลิศยูฟ่าแชมเปียนส์ลีก; EL: สโมสรชนะเลิศยูฟ่ายูโรปาลีก).
ป้ายกำกับในวงเล็บแสดงให้เห็นว่าแต่ละทีมมีคุณสมบัติสำหรับพื้นที่ของรอบที่เริ่มต้น:
TH: แชมป์เก่ายูฟ่าแชมเปียนส์ลีก
EL: แชมป์เก่ายูฟ่ายูโรปาลีก
1st, 2nd, 3rd, 4th, etc.: อันดับในลีกของฤดูกาลที่ผ่านมา
Abd-: อันดับในลีกของฤดูกาลที่ถูกระงับการแข่งขันเนื่องจาก การระบาดทั่วของโควิด-19 ในทวีปยุโรป ตามที่กำหนดโดยสมาคมของแต่ละชาติ; ทีมทั้งหมดจะต้องได้รับการอนุมัติจากยูฟ่าตามแนวทางการเข้าร่วมการแข่งขันในระดับยุโรป เพื่อตอบสนองต่อการแพร่ระบาดโควิด-19
รอบคัดเลือกรอบสอง, รอบคัดเลือกรอบสามและรอบเพลย์ออฟ แบ่งออกเป็น ตัวแทนที่ชนะเลิศจากลีก (CH) และตัวแทนจากลีก (LP).
หมายเหตุ
^ Azerbaijan (AZE): The 2019–20 Azerbaijan Premier League was abandoned due to the COVID-19 pandemic in Azerbaijan. The top team of the league at the time of the abandonment, Qarabağ (who were declared champions), were selected to play in the 2020–21 UEFA Champions League by the Association of Football Federations of Azerbaijan, entering the first qualifying round.
^ Belgium (BEL): The 2019–20 Belgian First Division A was abandoned due to the COVID-19 pandemic in Belgium. The top two teams of the league at the time of the abandonment, Club Brugge (who were declared champions) and KAA Gent, were selected to play in the 2020–21 UEFA Champions League by the Royal Belgian Football Association, entering the group stage and third qualifying round respectively.
^ Bosnia and Herzegovina (BIH): The 2019–20 Premier League of Bosnia and Herzegovina was abandoned due to the COVID-19 pandemic in Bosnia and Herzegovina. The top team of the league at the time of the abandonment, Sarajevo (who were declared champions), were selected to play in the 2020–21 UEFA Champions League by the Football Association of Bosnia and Herzegovina, entering the first qualifying round.
^ Cyprus (CYP): The 2019–20 Cypriot First Division was abandoned due to the COVID-19 pandemic in Cyprus. The top team of the league at the time of the abandonment, Omonia, were selected to play in the 2020–21 UEFA Champions League by the Cyprus Football Association, entering the first qualifying round.
^ England (ENG): Manchester City, the second-placed team of the 2019–20 Premier League, qualified for the 2020–21 UEFA Champions League group stage, but were banned from all UEFA club competitions for the 2020–21 and 2021–22 seasons by the UEFA Club Financial Control Body on 14 February 2020 due to breaches of the UEFA Financial Fair Play Regulations. However, Manchester City appealed the decision to the Court of Arbitration for Sport, and on 13 July 2020, it was announced that the ban on them participating in UEFA club competitions was overturned and they can play in the 2020–21 UEFA Champions League.
^ France (FRA): The 2019–20 Ligue 1 was abandoned due to the COVID-19 pandemic in France. The top three teams of the league at the time of the abandonment based on the average number of points per matches played for each team, Paris Saint-Germain (who were declared champions), Marseille and Rennes, were selected to play in the 2020–21 UEFA Champions League by the French Football Federation, entering the group stage.
^ Gibraltar (GIB): The 2019–20 Gibraltar National League was abandoned due to the COVID-19 pandemic in Gibraltar. The top team of the league at the time of the abandonment, Europa, were selected to play in the 2020–21 UEFA Champions League by the Gibraltar Football Association, entering the first qualifying round.
^ Luxembourg (LUX): The 2019–20 Luxembourg National Division was abandoned due to the COVID-19 pandemic in Luxembourg. The top team of the league at the time of the abandonment, Fola Esch, were selected to play in the 2020–21 UEFA Champions League by the Luxembourg Football Federation, entering the first qualifying round.
^ Malta (MLT): The 2019–20 Maltese Premier League was abandoned due to the COVID-19 pandemic in Malta. The top team of the league at the time of the abandonment, Floriana (who were declared champions), were selected to play in the 2020–21 UEFA Champions League by the Malta Football Association, entering the first qualifying round.
^ Montenegro (MNE): The 2019–20 Montenegrin First League was abandoned due to the COVID-19 pandemic in Montenegro. The top team of the league at the time of the abandonment, Budućnost Podgorica (who were already assured of the title by then and were declared champions), were selected to play in the 2020–21 UEFA Champions League by the Football Association of Montenegro, entering the first qualifying round.
^ Netherlands (NED): The 2019–20 Eredivisie was abandoned due to the COVID-19 pandemic in the Netherlands. The top two teams of the league at the time of the abandonment, Ajax and AZ, were selected to play in the 2020–21 UEFA Champions League by the Royal Dutch Football Association, entering the play-off round and second qualifying round respectively.
^ North Macedonia (MKD): The 2019–20 Macedonian First Football League was abandoned due to the COVID-19 pandemic in North Macedonia. The top team of the league at the time of the abandonment, Vardar (who were declared champions), failed to obtain a UEFA licence, and as a result, the second-placed team, Sileks, were selected to play in the 2020–21 UEFA Champions League by the Football Federation of North Macedonia, entering the first qualifying round.
^ Northern Ireland (NIR): The 2019–20 NIFL Premiership was abandoned due to the COVID-19 pandemic in Northern Ireland. The top team of the league at the time of the abandonement, Linfield (who were declared champions), were selected to play in the 2020–21 UEFA Champions League by the Irish Football Association, entering the preliminary round.
^ San Marino (SMR): The 2019–20 Campionato Sammarinese di Calcio was abandoned due to the COVID-19 pandemic in San Marino. The top team of the league at the time of the abandonment, Tre Fiori (who were declared champions), were selected to play in the 2020–21 UEFA Champions League by the San Marino Football Federation, entering the preliminary round.
^ Scotland (SCO): The 2019–20 Scottish Premiership was abandoned due to the COVID-19 pandemic in Scotland. The top team of the league at the time of the abandonment based on the average number of points per matches played for each team, Celtic (who were declared champions), were selected to play in the 2020–21 UEFA Champions League by the Scottish Football Association, entering the first qualifying round.
^ Turkey (TUR): Trabzonspor, the second-placed team of the 2019–20 Süper Lig, would have qualified for the 2020–21 UEFA Champions League second qualifying round, but were banned from all UEFA club competitions for the 2020–21 season by the UEFA Club Financial Control Body on 3 June 2020 due to breaches of the UEFA Financial Fair Play Regulations. Trabzonspor appealed the decision to the Court of Arbitration for Sport, but on 30 July 2020, it was announced that the ban on them participating in UEFA club competitions was upheld. As a result, Beşiktaş, the third-placed team, qualified for this berth.
^ Wales (WAL): The 2019–20 Cymru Premier was abandoned due to the COVID-19 pandemic in Wales. The top team of the league at the time of the abandonment based on the average number of points per matches played for each team, Connah's Quay Nomads (who were declared champions), were selected to play in the 2020–21 UEFA Champions League by the Football Association of Wales, entering the first qualifying round.