| Club: | FC Rapid București |
| Season: | 2023–24 |
| Owner: | Dan Sucu,Victor Angelescu |
| Chairman: | Daniel Niculae |
| Manager: | Neil Lennon |
| Stadium: | Superbet Arena |
| League: | Liga I |
| League Result: | 3rd |
| Cup1: | Cupa României |
| Cup1 Result: | Group stage |
| League Topscorer: | Albion Rrahmani (9) |
| Season Topscorer: | Albion Rrahmani (9) |
| Highest Attendance: | 12,499 (vs Petrolul Ploiesti) |
| Lowest Attendance: | 10,644 (vs FC Botosani) |
| Average Attendance: | 11,974 |
| Largest Win: | 4–0 (vs Dinamo Bucuresti) |
| Largest Loss: | 0–2 (vs Petrolul Ploiesti) |
| Updated: | 1 September 2023 |
| Prevseason: | 2022–23 |
| Nextseason: | 2024–25 |
The 2023–24 FC Rapid București season is the club's 101st season in existence and the second consecutive season in the top flight of Romanian football. In addition to the domestic league, FC Rapid București are participating in this season's edition of the Cupa României.. The season covers the period from 1 July 2023 to 30 June 2024.
| scope=col | Player | Transferred from | scope=col; style="width: 65px;" | Fee | scope=col | Date | ||
|---|---|---|---|---|---|---|---|---|
| Catalin Cirjan | Arsenal | Loan fee | ||||||
 Borja Valle | Cartagena | Free Transfer | ||||||
| Răzvan Oaidă | FCSB | |||||||
| Iulian Cristea | ||||||||
| Christopher Braun | CFR Cluj | €150,000 | ||||||
| Omar El Sawy | Csikszereda | €400,000 | ||||||
| Claudiu Petrila | CFR Cluj | Loan fee €500,000 | ||||||
| Claudiu Micovschi | Avellino | Free Transfer | ||||||
| Albion Rrahmani | Ballkani | €600,000 | ||||||
| Andrei Borza | Farul Constanta | €800,000 | ||||||
 Kevin Soni | Free Agent | Free Transfer | ||||||
| scope=col | Player | Transferred to | scope=col; style="width: 65px;" | Fee | scope=col | Date | ||
|---|---|---|---|---|---|---|---|---|
 Younes Bnou Marzouk | Free Agent | Release | ||||||
| Kevin Luckassen | ||||||||
 Hervin Ongenda | ||||||||
 Alin Demici | CS Dinamo Bucuresti | Free Transfer | ||||||
| Alexandru Despa | CS Tunari | |||||||
| Damien Dussaut | Farul Constanta | |||||||
| Albert Stahl | UTA Arad | |||||||
| Ljuban Crepulja | FC Voluntari | |||||||
| Antonio Sefer | Hapoel Be'er Sheva | €500,000 | ||||||
| Andrei Ciobanu | Poli Iasi | Loan Transfer | ||||||
| Claudiu Belu | Free Transfer | |||||||
| Cristian Ignat | CS Mioveni | Loan Transfer | ||||||
| Alexandru Crivac | Progresul Spartac | |||||||
| Valentin Costache |  Apollon Limassol | €100,000 | ||||||
| Claudiu Micovschi | UTA Arad | Loan Transfer | ||||||
| Florin Ștefan | Sepsi OSK | Free Transfer | ||||||
| Marko Dugandzic |  Al-Tai | €2,000,000 | ||||||
 Junior Morais |  Gaziantep | Free Transfer | ||||||
Summer: €2,450,000
Winter:
Total: €2,450,000
Summer: €2,600,000
Winter:
Total: €2,600,000
Summer: €150,000
Winter:
Total: €150,000
See main article: 2023–24 Liga I.
The league fixtures were announced on 1 July 2023.
See main article: 2023–24 Cupa României.