Лиги в Football Manager 2021 есть самые разные, во избежание путаницы мы приведем официальный их перечень. По этой причине он будет в оригинале, то бишь английским.
- Australia: A-League;
- Canada: Canadian Premier League;
- Croatia: GNK Dinamo Zagreb;
- Denmark: Superliga;
- England: EFL (Championship, League One, League Two, EFL Cup and EFL Trophy); National League (National League, National League North and National League South); Leicester City; Southampton (with official Southampton affiliate edition); Hashtag United (non-playable);
- France: LFP (Ligue 1 and Ligue 2);
- Germany: Bundesliga (Bundesliga, 2. Bundesliga and Supercup); DFB (3. Liga and DFB-Pokal);
- Gibraltar: Gibraltar National League (post-release); National Team;
- Italy: Atalanta, Benevento, Bologna, Cagliari, Crotone, Chievo, Empoli, Fiorentina, Genoa, Internazionale, Lazio, Lecce, AC Milan, Napoli, Parma, Roma, Sampdoria, Sassuolo, SPAL, Spezia, Torino, Udinese, Hellas Verona;
- Netherlands: Eredivisie and Eerste Divisie; National Team;
- Northern Ireland: Northern Ireland Football League (Premiership, Championship and Intermediate League);
- Poland: Ekstraklasa;
- Scotland: SPFL (Scottish Premiership, Scottish Championship, Scottish League One, Scottish League Two, Scottish League Cup and Scottish Challenge Cup);
- South Korea: K League (K League 1 and K League 2);
- USA: MLS, including new franchises Austin FC and Charlotte FC;
- Wales: Cymru Premier, Cymru North, Cymru South, Cymru Cup and Cymru League Cup.