The 2021–22 Campeonato de Portugal was the ninth season of Portuguese football's recreated fourth-tier league, since the merging of the Segunda Divisão and Terceira Divisão in 2013, and the seventh season under the current Campeonato de Portugal title. After the creation of Liga 3, the new third-tier league in 2021, this was also the first season of Campeonato Portugal as the fourth-tier league in Portuguese football league system, the 24th overall at that level. This edition was contested by 61 clubs.