EFL League One 2017–18

The 2017–18 EFL League One (referred to as the Sky Bet League One for sponsorship reasons) will be the 2nd season of the EFL League One under its current title and the 25th season under its current league division format.

Team changes
The following teams have changed division since the 2015–16 season.

To League One
Promoted from League Two
 * Doncaster Rovers
 * Plymouth Argyle
 * Portsmouth
 * TBC

Relegated from The Championship
 * Rotherham United
 * TBC
 * TBC

From League One
Promoted to The Championship
 * Sheffield United
 * TBC
 * TBC

Relegated to League Two
 * Coventry City
 * Chesterfield
 * TBC
 * TBC