2017–18 AS Saint-Étienne season

The 2017–18 season was AS Saint-Étienne's fourteenth consecutive season in Ligue 1 since promotion from Ligue 2 in 2004.

Summer
In:

Out:

Winter
In:

Out:

Appearances and goals

 * colspan="14"|Players away from AS Saint-Étienne on loan:
 * colspan="14"|Players away from AS Saint-Étienne on loan:


 * colspan="14"|Players who left AS Saint-Étienne during the season:
 * colspan="14"|Players who left AS Saint-Étienne during the season:


 * }