2023–24 Mumbai City FC season

The 2023–24 season is the 10th season in the history of Mumbai City Football Club and the club's 7th consecutive season in the top flight of Indian football. In addition to the domestic league, Mumbai City will compete in this season's editions of the Durand Cup, Super Cup and AFC Champions League. The season covers the period from 1 August 2023 to 31 May 2024.

May
On 17 May, the Islanders announced that they have extended the contract of the Australian centre-back Rostyn Griffiths till the end of the 2023–24 season.

On 18 May, the Islanders announced that they have been granted ICLS Premier 1 license by the All India Football Federation — the governing body of association football in India.

On 23 May, the Islanders announced the contract extension of Spanish central midfielder Alberto Noguera till the end of the 2023–24 season.

On 26 May, the Islanders announced the contract extension of Argentine striker Jorge Pereyra Díaz till the end of the 2023–24 season.

On 28 May, the Islanders announced the departure of their Indian left-back Mandar Rao Dessai after spending three years at the club.

On 29 May, the Islanders announced the departure of their club captain, Senegalese centre-back Mourtada Fall after three years with the club.

On 30 May, the Islanders announced the departure of their Moroccan defensive midfielder Ahmed Jahouh after spending three years at the club.

On 31 May, the Islanders announced the departures of Hardik Bhatt (on loan), Gursimrat Singh Gill and Raynier Fernandes from the club as their contracts ended on the same day.

June
On 1 June, the Islanders welcomed back Spaniard Juanma Cruz as their new first-team goalkeeping coach till the end of the 2023–24 season.

On 3 June, the Islanders announced the contract extension of Indian right-back Rahul Bheke till the end of the 2023–24 season.

On 7 June, the Islanders announced the contract extension of Indian right winger Vikram Partap Singh till 2026 on a three-year contract.

On 11 June, the Islanders announced that Rowllin Borges has been loaned out to FC Goa till the end of the 2023–24 season.

On 12 June, the Islanders announced the contract extension of Indian centre-back Mehtab Singh till 2026 on a three-year contract.

On 16 June, the Islanders announced the contract extension of Indian striker Ayush Chhikara till 2026 on a three-year contract.

On 18 June, the Islanders announced the departure of Naorem Tondomba Singh to Delhi FC on a season-long loan deal.

On 19 June, the Islanders announced the signing of Indian left-back Akash Mishra from Hyderabad FC for an undisclosed transfer fee till 2028 on a five-year deal.

On 24 June, the Islanders announced the permanent signing of Vinit Rai from Odisha FC following his loan spell till the end of the 2023–24 season.

On 27 June, the Islanders announced that Amey Ranawade has been loaned out to Odisha FC till the end of the 2023–24 season.

On 28 June, the Islanders announced the contract extension of Indian goalkeeper Phurba Lachenpa till 2026 on a three-year contract.

July
On 6 July, the Islanders announced the signing of the Spanish centre-back Tiri till the end of the 2023–24 season.

On 8 July, the Islanders announced the signings of centre-back Nathan Rodrigues and midfielder Franklin Nazareth from RFYC. The two 19 year-olds joined Mumbai City till 2027 on a four-year deal.

On 10 July, the Islanders announced the departure Indian left-back Vignesh Dakshinamurthy to Hyderabad FC for an undisclosed fee after spending five years at the club.

On 12 July, the Islanders announced the signing of Dutch defensive midfielder Yoell van Nieff until 2025.

On 13 July, the Islanders announced the departure of left-back Naocha Singh to Kerala Blasters on a season-long loan deal.

On 14 July, Mumbai City unveiled the club’s new crest ahead of the 2023–24 season, a landmark 10th season of the club’s history. The new Puma 2023–24 home kit was also revealed – the first kit in the Islanders new era to feature the new crest.

On 16 July, the Islanders announced that they would travel to Thailand on a pre-season tour in preparation for the Durand Cup campaign in August.

On 17 July, the Islanders were drawn in Group B for the 132nd edition of the Durand Cup, alongside Indian Navy, Jamshedpur FC and Mohammedan SC.

On 22 July, the Islanders announced the signing of Indian attacking midfielder Jayesh Rane on a season-long loan from Bengaluru FC.

On 23 July, the Durand Cup announced the fixtures of the Islanders and the participating clubs.

On 30 July, the Islanders played their first tour pre-season friendly match against Thai League 1 side PT Prachuap, which they won 3–0.

August
On 4 August, the Islanders announced a 29-member squad for the 2023 Durand Cup.

On 5 August, the Islanders played their first group stage match in the Durand Cup against I-League side Mohammedan SC, which ended in a 1–3 win.

On 8 August, the Islanders played their second group stage match in the Durand Cup against Jamshedpur FC, which they won 0–5.

On 14 August, the Islanders announced the departure of striker Mustafa Shaikh to Sporting Club Bengaluru on a season-long loan deal.

On 14 August, the Islanders announced the departure of Indian midfielder, Mohammed Asif Khan, to Inter Kashi for an undisclosed fee after spending five years at the club from the age of 14.

On 19 August, the Islanders played their third group stage match in the Durand Cup against Indian Navy FT, which they won 4–0, making it three wins out of three in Group B and qualifying for the quarter-finals.

On 22 August, the Islanders were drawn against Mohun Bagan SG in the quarter-finals of the Durand Cup. The match is scheduled to play on 27 August.

On 22 August, the Islanders announced that they will be playing their home games in the AFC Champions League at the Shree Shiv Chhatrapati Sports Complex in Pune, due to the present infrastructural setup at the Mumbai Football Arena which makes the venue ineligible to host games.

First-team squad
Notes:
 * Players and squad numbers last updated on 8 September 2023.
 * Appearances and goals last updated on 19 August 2023, including all competitions for senior teams.
 * Flags indicate national team as defined under FIFA eligibility rules. Players may hold more than one non-FIFA nationality.
 * Player* – Player who joined the club permanently or on loan during the season.
 * Player† – Player who departed the club permanently or on loan during the season.

Squad number changes
Notes:
 * Players and squad numbers last updated on 31 August 2023.
 * The list is sorted by new squad number.
 * Player* – Player who joined Mumbai City permanently or on loan during the season.
 * Player† – Player who departed Mumbai City permanently or on loan during the season.

Kits
Supplier: Puma / Sponsor: Stake News

This is Puma's fouth year supplying Mumbai City kit, having taken over from Sqad Gear at the beginning of the 2020–21 season.

Pre-season friendlies
On 16 July 2023, Mumbai City announced that they would travel to Thailand on a pre-season tour in preparation for the Durand Cup campaign in August. The team will set up their base in Alpine Football Camp, Bangkok, from 15 July to 1 August. On 30 July, the first tour friendly was confirmed against Thai League 1 side PT Prachuap.

League Results by Round
The first eleven league fixtures were announced on 7 September 2023.

Group stage
The fixtures were announced on 22 July 2023. Mumbai City were drawn in Group B for the 132nd edition of the Durand Cup.

Knockout phase
As a result of finishing top of the group, Mumbai City advanced directly to the quarter-finals. The draw for knockout stages was held on 22 August 2023.

Appearances
Includes all competitions for senior teams.

Goals
''Includes all competitions for senior teams. The list is sorted by squad number when season-total goals are equal. Players with no goals are not included in the list.''

Assists
''Includes all competitions. The list is sorted by squad number when total assists are equal. Players with no assists are not included in the list.''

Clean sheets
''Includes all competitions. The list is sorted by squad number when total clean sheets are equal. Numbers in parentheses represent games where both goalkeepers participated and both kept a clean sheet; the number in parentheses is awarded to the goalkeeper who was substituted on, whilst a full clean sheet is awarded to the goalkeeper who was on the field at the start of play. Goalkeepers with no clean sheets not included in the list.''