2023–24 EFL League One

The 2023–24 EFL League One (referred to as the Sky Bet League One for sponsorship purposes) was the 20th season of the EFL League One under its current title and the 32nd season under its current league division format. The season began on 5 August 2023 and ended on 27 April 2024.

Team changes
The following teams have changed division since the 2022–23 season:

To League One
 Promoted from League Two 
 * Leyton Orient
 * Stevenage
 * Northampton Town
 * Carlisle United

 Relegated from the Championship 
 * Reading
 * Blackpool
 * Wigan Athletic

From League One
 Promoted to the Championship 
 * Plymouth Argyle
 * Ipswich Town
 * Sheffield Wednesday

 Relegated to League Two 
 * Forest Green Rovers
 * Accrington Stanley
 * Milton Keynes Dons
 * Morecambe

Play-offs
First leg

Second leg

Bolton Wanderers won 5-4 on aggregate. Oxford United won 2-1 on aggregate.

Yellow cards

 * Most yellow cards: 14
 * 🏴󠁧󠁢󠁥󠁮󠁧󠁿 George Thomason (Bolton Wanderers)
 * 🏴󠁧󠁢󠁥󠁮󠁧󠁿 Josh Vela (Carlisle United/Fleetwood Town)

Red cards

 * Most red cards: 3
 * 🏴󠁧󠁢󠁥󠁮󠁧󠁿 Steve Seddon (Burton Albion)

Club

 * Most yellow cards: 125 (Wigan Athletic)


 * Fewest yellow cards: 63 (Peterborough United)


 * Most red cards: 9 (Fleetwood Town)


 * Fewest red cards: 1 (Charlton Athletic, Northampton Town, Peterborough United)