2022–23 Gillingham F.C. season

The 2022–23 season was the 130th season in the existence of Gillingham Football Club and the club's first season back in League Two since the 2012–13 season following their relegation from League One the season before. In addition to the league, they also competed in the 2022–23 FA Cup, the 2022–23 EFL Cup and the 2022–23 EFL Trophy.

Pre-season and friendlies
The Gills announced their first pre-season friendly with a trip to Folkestone Invicta on 2 July. A week later, the club announced two further fixtures to their schedule with a trip to Dover Athletic and a visit from Portsmouth to Priestfield Stadium. A trip to Deal Town was confirmed shortly afterwards. A Gills XI was soon announced to have a trip to Chatham Town and a trip to Ramsgate, the latter on the same date as the Portsmouth friendly. A seventh friendly, against Southend United was confirmed on 1 June. On July 13, the Gills added another addition to the schedule with Crystal Palace visiting the Priestfield Stadium.

Matches
On 23 June, the league fixtures were announced.

{{football box collapsible }}
 * round     = 39
 * date      = 1 April 2023
 * time      = 15:00 BST
 * team1     = Barrow
 * score     = 2–1
 * result    = L
 * report    = https://www.gillinghamfootballclub.com/news/2023/april/report--barrow-2-1-gillsfc/
 * team2     = Gillingham
 * goals1    = Morris {{goal|9|o.g.}} Neal {{yel|15}} Kay {{yel|66}} Gotts {{goal|90+4}}}
 * goals2    = O'Brien yellow: 45+2' Masterson ⚽ 82' Nichols yellow: 87'
 * stadium   = So Legal Stadium
 * location  = Barrow-in-Furness
 * attendance = 3,703 (320 Gillingham supporters)
 * referee   = Darren Handley

FA Cup
Gillingham were drawn away to AFC Fylde in the first round, to Dagenham & Redbridge in the second round and at home to Leicester City in the third round.

EFL Cup
Gills were drawn away to AFC Wimbledon in the first round and at home to Exeter City in the second round. An away tie against Wolverhampton Wanderers was drawn for the fourth round.

EFL Trophy
On 21 June, the initial group stage draw was made, grouping Gillingham with Charlton Athletic and Colchester United. Three days later, Brighton & Hove Albion U21s joined Southern Group A.