2017–18 Women's EHF Champions League main round

This article describes the main round of the 2017–18 Women's EHF Champions League.

Format
In each group, teams played against each other in a double round-robin format, with home and away matches against teams they did not met before. Points obtained in the group stage were taken over. After completion of the group stage matches, the top four teams of each group advanced to the quarterfinals.

Groups
The matchdays were 26–28 January, 2–4 February, 9–11 February, 23–25 February, 2–4 March and 9–11 March 2017.