2023–24 Cambridge United F.C. season

The 2023–24 season is the 112th season in the history of Cambridge United and their third consecutive season in League One. The club are participating in League One, the FA Cup, the EFL Cup, and the 2023–24 EFL Trophy.

Pre-season and friendlies
On 5 June, Cambridge United announced their first two pre-season friendlies, against Ipswich Town and Barnet. A third friendly, against St Albans City was also confirmed. Three behind-closed-doors fixtures were also included in the pre-season preparations, against Tottenham Hotspur Under-21s, Gillingham and Cardiff City.

Matches
On 22 June, the EFL League One fixtures were released.

FA Cup
Cambridge were drawn at home to Bracknell Town in the first round, to Fleetwood Town in the second round and away to Blackburn Rovers in the third round.

EFL Cup
Cambridge were drawn away to Sutton United in the first round.

EFL Trophy
In the group stage, Cambridge were drawn into Southern Group D alongside Peterborough United, Colchester United and Tottenham Hotspur U21.