| Club: | Casa Pia A.C. |
| Season: | 2023–24 |
| Chairman: | Victor Franco |
| Manager: | Filipe Martins (until 13 November) Pedro Moreira (from 20 November to 15 February) Gonçalo Santos (from 16 February) |
| Stadium: | Estádio Pina Manique |
| League: | Primeira Liga |
| League Result: | 9th |
| Cup1: | Taça de Portugal |
| Cup1 Result: | Fourth round |
| Cup2: | Taça da Liga |
| Cup2 Result: | Third round |
| League Topscorer: | Clayton (8) |
| Season Topscorer: | Clayton (12) |
| Largest Win: | 0–4 v Vizela (Away) 31 March 2024 (Liga Portugal) |
| Largest Loss: | 8–0 v Sporting CP (Away) 29 January 2024 (Liga Portugal) |
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| Prevseason: | 2022–23 |
| Nextseason: | 2024–25 |
The 2023–24 season was Casa Pia A.C.'s 104th season in existence and second consecutive in the Primeira Liga, the top division of association football in Portugal. They also competed in the Taça de Portugal and the Taça da Liga.
| Player | Transferred from | Fee | Date | Source | ||
|---|---|---|---|---|---|---|
 Nagoya Grampus | Loan | [1] | ||||
 Vila Nova | €225,000 | [2] | ||||
| Athletico Paranaense | Loan | [3] |
| Player | Transferred to | Fee | Date | Source | ||
|---|---|---|---|---|---|---|
| Johor Darul Ta'zim | Undisclosed | [4] | ||||
 Alcorcón | Free | [5] | ||||
 Olimpija Ljubljana | Undisclosed | [6] | ||||
| Eldense | Undisclosed | [7] |
See main article: 2023–24 Primeira Liga.
The league fixtures were unveiled on 5 July 2023.[8]
See main article: 2023–24 Taça de Portugal.
See main article: 2023–24 Taça da Liga.