Xilli ciyaareedka 2020-21 wuxuu ahaa xilli ciyaareedkii 90aad ee jiritaanka CA Osasuna iyo xilli ciyaareedkii labaad ee isku xigta ee kooxda ee horyaalka ugu sareeya kubada cagta Spain. Horyaalka gudaha ka sokow
, Osasuna waxay ka qeyb gashay daabacaadda Copa del Rey ee xilli ciyaareedkan. Xilli ciyaareedku wuxuu daboolay muddadii u dhaxaysay 20 Luulyo 2020 ilaa 30 Juun 2021, iyadoo bilowga xilli ciyaareedku uu soo daahay sababo la xiriira cudurka faafa ee COVID-19 ee Spain.