The FIS Cross-Country Eastern Europe Cup (EEC) is a series of cross-country skiing events arranged by the International Ski Federation (FIS).

It is one of the nine FIS Cross-Country Continental Cups, a second-level competition ranked below the World Cup.

The Eastern Europe Cup is open for competitors from all nations, but are mainly a competition for skiers from four nations in Eastern Europe; Belarus, Kazakhstan, Russia and Ukraine.

The Eastern Europe Cup has been held since the 2007–08 season, and has been a part of the Cross-Country Continental Cup since then.

In the end of certain periods, the overall leaders for both genders receive a place in the World Cup in the following period.