2017–18 CD Leganés season

During the 2017–18 season, CD Leganés participated in La Liga for the second time in their history, and the Copa del Rey.

Transfers

 * List of Spanish football transfers summer 2017

Pre-season and friendlies

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Appearances and goals
! colspan=14 style=background:#F5DEB3;color:darkgreen;text-align:center|Goalkeepers

! colspan=14 style=background:#F5DEB3;color:darkgreen;text-align:center|Defenders

! colspan=14 style=background:#F5DEB3;color:darkgreen;text-align:center|Midfielders

! colspan=14 style=background:#F5DEB3;color:darkgreen;text-align:center|Forwards

! colspan=14 style=background:#F5DEB3;color:darkgreen;text-align:center|Players transferred out during the season