| Club: | Portsmouth |
| Season: | 2023–24 |
| Ownertitle: | Owner-Chairman |
| Owner: | Michael Eisner |
| Chrtitle: | Chief Executive Officer |
| Chairman: | Andrew Cullen |
| Mgrtitle: | Head coach |
| Manager: | John Mousinho |
| Stadium: | Fratton Park |
| League: | League One |
| League Result: | 1st |
| Cup1: | FA Cup |
| Cup1 Result: | First round |
| Cup2: | EFL Cup |
| Cup2 Result: | Second round |
| Cup3: | EFL Trophy |
| Cup3 Result: | Second round |
| League Topscorer: | Colby Bishop (21) |
| Season Topscorer: | Colby Bishop (21) |
| Highest Attendance: | 20,303 vs. Oxford Utd (2 March 2024) |
| Lowest Attendance: | 17,450 vs. Wycombe Wanderers (3 October 2023) |
| Largest Win: | 4–0 vs. Leyton Orient (12 August 2023) |
| Largest Loss: | 0–4 vs. Blackpool (25 November 2023) |
| Pattern La1: | _whiteborder |
| Pattern B1: | _portsmouth2324h |
| Pattern Ra1: | _whiteborder |
| Leftarm1: | 0000FF |
| Body1: | 0000FF |
| Rightarm1: | 0000FF |
| Socks1: | FF0000 |
| Pattern La2: | _nikechallenge4w |
| Pattern B2: | _portsmouth2324a |
| Pattern Ra2: | _nikechallenge4w |
| Leftarm2: | FFFFFF |
| Body2: | FFFFFF |
| Rightarm2: | FFFFFF |
| Shorts2: | B0B0B0 |
| Socks2: | B0B0B0 |
| Pattern B3: | _portsmouth2324t |
| Leftarm3: | 780000 |
| Body3: | F6A09D |
| Rightarm3: | 780000 |
| Shorts3: | FFFFFF |
| Socks3: | 000000 |
| Prevseason: | 2022–23 |
| Nextseason: | 2024–25 |
The 2023–24 season was Portsmouth's seventh consecutive season in League One and celebrated as their 125th anniversary as a football club. In addition to the domestic league, Portsmouth also competed in the FA Cup, the EFL Cup, and the EFL Trophy.
On 16 April 2024, Portsmouth were crowned champions of EFL League One and were promoted to the EFL Championship.[1] The EFL League One champions trophy was presented at Fratton Park on 20 April 2024 after the conclusion of the final home game of the season against Wigan.[2]
| scope=col; style="width: 140px;" | Player | scope=col; style="width: 190px;" | Transferred From | scope=col; style="width: 120px;" | Fee | scope=col; style="width: 105px;" | Date | scope=col | Source | ||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 15 | Bournemouth | Undisclosed | 14 June 2023 | [3] | |||||||
| 24 | Glentoran | Undisclosed | 15 June 2023 | [4] | |||||||
| 10 | Wigan Athletic | Undisclosed | 16 June 2023 | [5] | |||||||
| 1 | Burnley | Free Transfer | 1 July 2023 | [6] | |||||||
| 18 | Burton Albion | [7] | |||||||||
| 21 | Exeter City | [8] | |||||||||
| 14 | Forest Green Rovers | [9] | |||||||||
| 11 | Cardiff City | [10] | |||||||||
| 19 | Western Sydney Wanderers | Undisclosed | 2 July 2023 | [11] | |||||||
| 5 | Lincoln City | Free Transfer | 10 July 2023 | [12] | |||||||
| 31 | Huddersfield Town | Free Transfer | 26 July 2023 | [13] | |||||||
| 29 | Free agent | 13 November 2023 | [14] | ||||||||
| 13 | Free agent | 12 January 2024 | [15] | ||||||||
| 49 | Wigan Athletic | Undisclosed | 29 January 2024 | [16] | |||||||
| 46 | Reading | Undisclosed | 30 January 2024 | [17] | |||||||
| 23 | Carlisle United | Undisclosed | 31 January 2024 | [18] | |||||||
| 45 | Ipswich Town | Free Transfer | 1 March 2024 | [19] |
| scope=col; style="width: 140px;" | Player | scope=col; style="width: 190px;" | Transferred to | scope=col; style="width: 120px;" | Fee | scope=col; style="width: 90px;" | Date | scope=col | Source | ||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 18 | Lincoln City | Undisclosed | 14 June 2023 | [20] | |||||||
| 31 | Eastbourne Borough | Released | 30 June 2023 | [21] | |||||||
| 11 | Unattached | End of Contract | [22] | ||||||||
| 13 | Oldham Athletic | Released | [23] | ||||||||
| 32 | Farnborough | [24] | |||||||||
| align=center | - | Unattached | |||||||||
| 24 | Chesterfield | [25] | |||||||||
| 25 | Colchester United | End of Contract | [26] | ||||||||
| align=center | - | Farnborough | Released | [27] | |||||||
| 14 | Unattached | ||||||||||
| 4 | F.C. Ashdod | [28] [29] | |||||||||
| align=center | - | Unattached | |||||||||
| 23 | Stevenage | [30] | |||||||||
| 8 | Adelaide United | [31] | |||||||||
| 13 | FC Lahti | Undisclosed | 11 January 2024 | [32] | |||||||
| 23 | Grimsby Town | Free Transfer | 1 February 2024 | [33] |
| scope=col; style="width: 140px;" | Player | scope=col; style="width: 190px;" | Loaned From | scope=col; style="width: 120px;" | Until | scope=col; style="width: 90px;" | Date | scope=col | Source | ||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 25 | Norwich City | End of Season | 19 July 2023 | [34] | |||||||
| 8 | Manchester City | 7 August 2023 | [35] | ||||||||
| 28 | Chelsea | 31 August 2023 | [36] | ||||||||
| 44 | Brentford | 22 January 2024 | [37] |
| scope=col; style="width: 140px;" | Player | scope=col; style="width: 190px;" | Loaned to | scope=col; style="width: 120px;" | Until | scope=col; style="width: 90px;" | Date | scope=col | Source | ||
|---|---|---|---|---|---|---|---|---|---|---|---|
| align=center | - | Poole Town | 31 December 2023 | 20 July 2023 | |||||||
| align=center | - | Gosport Borough | [38] | ||||||||
| align=center | - | Poole Town | [39] | ||||||||
| 30 | Havant & Waterlooville | End of Season | 1 August 2023 | [40] | |||||||
| align=center | - | Aldershot Town | End of Season | 2 August 2023 | [41] | ||||||
| 33 | Gosport Borough | 1 January 2024 | 3 August 2023 | [42] | |||||||
| 22 | Worthing | 7 September 2023 | 10 August 2023 | [43] | |||||||
| 22 | Tonbridge Angels | 17 February 2024 | 20 January 2024 | [44] | |||||||
| align=center | - | Bognor Regis Town | 29 February 2024 | 28 March 2024 | [45] |
On 17 May, Pompey announced their pre-season schedule, with matches against Bristol City, Bognor Regis Town, Gosport Borough and Havant & Waterlooville confirmed along with a training camp in southern Spain between 2–7 July.[46] A day later, the club confirmed a trip to AFC Wimbledon.[47] On 12 June, a friendly during their training camp was confirmed, against Europa.[48]
See main article: 2023–24 EFL League One.
On 22 June, the EFL League One fixtures were released.[49]
See main article: 2023–24 FA Cup.
Portsmouth were drawn away to Chesterfield in the first round.[50]
See main article: 2023–24 EFL Cup. Pompey were drawn away to Forest Green Rovers in the first round[51] and at home to Peterborough United in the second round.[52]
See main article: 2023–24 EFL Trophy. In the group stage, Portsmouth were drawn into Southern Group E alongside Gillingham, Leyton Orient and Fulham U21.[53] [54] After topping their group, they were drawn at home to AFC Wimbledon in the second round.[55]