The 2022–23 season was the 112th season in the history of C.D. Nacional and their second consecutive season in the second division of Portuguese football. The club participated in the Liga Portugal 2, the Taça de Portugal, and the Taça da Liga. The season covered the period from 1 July 2022 to 30 June 2023.
Updated to match(es) played on 28 May 2023. Source: Liga Portugal 2 Rules for classification: 1) Points; 2) Head-to-head points; 3) Head-to-head goal difference; 4) Head-to-head away goals scored; 5) Goal difference; 6) Matches won; 7) Goals scored; 8) Play-off. (I) Ineligible for promotion Notes:
^ abPenafiel are ahead of Nacional on head-to-head points: Penafiel 3–0 Nacional, Nacional 1–1 Pennafiel.
^ abBenfica B are ahead of Leixões on head-to-head points: Benfica B 2–1 Leixões, Leixões 1–1 Benfica B. Leixões were deducted 1 point for financial irregularities.[2]