| Club: | Portsmouth |
| Season: | 2024–25 |
| Ownertitle: | Owner-Chairman |
| Owner: | Michael Eisner |
| Chrtitle: | Chief Executive Officer |
| Chairman: | Andrew Cullen |
| Mgrtitle: | Head coach |
| Manager: | John Mousinho |
| Stadium: | Fratton Park |
| League: | Championship |
| League Result: | 15th |
| Cup1: | FA Cup |
| Cup1 Result: | Third round |
| Cup2: | EFL Cup |
| Cup2 Result: | First round |
| League Topscorer: | Callum Lang (2) |
| Season Topscorer: | Callum Lang (2) |
| Highest Attendance: | 20,293 vs. Luton Town (17 August 2024) |
| Pattern La1: | _portsmouth2425h |
| Pattern B1: | _portsmouth2425h |
| Pattern Ra1: | _portsmouth2425h |
| Leftarm1: | 0000FF |
| Rightarm1: | 0000FF |
| Shorts1: | FFFFFF |
| Socks1: | FF0000 |
| Pattern La2: | _portsmouth2425a |
| Pattern B2: | _portsmouth2425a |
| Pattern Ra2: | _portsmouth2425a |
| Leftarm2: | 000000 |
| Body2: | 000000 |
| Rightarm2: | 000000 |
| Shorts2: | 000000 |
| Socks2: | 000000 |
| Pattern La3: | _portsmouth2425t |
| Pattern B3: | _portsmouth2425t |
| Pattern Ra3: | _portsmouth2425t |
| Leftarm3: | 08E8DE |
| Body3: | 08E8DE |
| Rightarm3: | 08E8DE |
| Shorts3: | 08E8DE |
| Socks3: | FFFFFF |
| Prevseason: | 2023–24 |
| Nextseason: | 2025–26 |
The 2024–25 season is Portsmouth Football Club's first season back in the Championship, since the 2011–12 season following their promotion from League One in the previous season. In addition to the domestic league, the club will also participate in the FA Cup, beginning with the Third Round in January 2025.
Portsmouth exited the EFL Cup in the First Round after a 0–1 loss to Millwall F.C. on 13 August 2024.
EFL Championship clubs do not participate in the EFL Trophy competition.
| Date | Pos. | Player | From | Fee | Ref. | |
|---|---|---|---|---|---|---|
| 26 June 2024 | Reuben Swann | Undisclosed | [1] | |||
| 1 July 2024 | Free | [2] | ||||
| 1 July 2024 | Free | [3] | ||||
| 1 July 2024 | Free | [4] | ||||
| 26 July 2024 | Undisclosed | [5] | ||||
| 2 August 2024 | Undisclosed | [6] | ||||
| 5 August 2024 | Free | [7] | ||||
| 6 August 2024 | Free | [8] | ||||
| 20 August 2024 | Undisclosed | [9] | ||||
| 21 August 2024 | Undisclosed | [10] |
| Date | Pos. | Player | To | Date until | Ref. | |
|---|---|---|---|---|---|---|
| 16 July 2024 | Toby Steward | End of Season | [13] | |||
| 9 August 2024 | Reuben Swann | End of Season | [14] |
| Date | Pos. | Player | Subsequent club | Join date | Ref. | |
|---|---|---|---|---|---|---|
| 30 June 2024 | 1 July 2024 | [15] | ||||
| 30 June 2024 | 1 July 2024 | [16] | ||||
| 30 June 2024 | 1 July 2024 | [17] [18] | ||||
| 30 June 2024 | 8 July 2024 | [19] | ||||
| 30 June 2024 | 11 July 2024 | [20] | ||||
| 30 June 2024 | 30 July 2024 | [21] | ||||
| 30 June 2024 | 5 August 2024 | [22] | ||||
| 30 June 2024 | Bastian Smith | 9 August 2024 | [23] | |||
| 30 June 2024 | ||||||
| 30 June 2024 |  Sam Folarin | |||||
| 30 June 2024 | Harvey Laidlaw | |||||
| 30 June 2024 | ||||||
| 30 June 2024 | ||||||
| 30 June 2024 | Daniel Murray | |||||
| 30 June 2024 | Malachi Osei-Owusu | |||||
| 30 June 2024 | Brian Quarm | |||||
| 30 June 2024 | ||||||
| 30 June 2024 | Liam Vincent |
On May 31, Pompey announced their first three pre-season friendlies, against Gosport Borough, Havant & Waterlooville and Bognor Regis Town.[24] A fourth was confirmed five days later, versus Milton Keynes Dons.[25] In June, the club announced a pre-season training camp in Pula, Croatia.[26] On 1 July, Portsmouth added a fifth pre-season opposition, away to Charlton Athletic.[27]
See main article: 2024–25 EFL Championship.
On 26 June, the Championship fixtures were announced.[28]
See main article: 2024–25 FA Cup.
Portsmouth, as an EFL Championship club, automatically qualify for the Third Round of the 2024–25 FA Cup with ties to be played on the weekend of 11 January 2025.
See main article: 2024–25 EFL Cup.
On 27 June, the draw for the first round was made, with Portsmouth being drawn at home against Millwall.[29]
|-|colspan="14"|Players away on loan:|}