This is a list of Swiss football transfers for the 2017–18 winter transfer window by club. Only transfers of clubs in the Swiss Super League are included. Swiss Super League Basel In: Out: Grasshoppers In: Out: Lausanne-Sport In: Out: Lugano In: Out: Luzern In: Out: Sion In: Out: St. Gallen In: Out: Thun In: Out: Young Boys In: Out: Zürich In: Out: References Switzerland Transfers 2017–18