The following list of metro systems in Europe is ordered alphabetically by country and city. Although the term metro (or , , , , or / in Southern Europe, or / in Eastern Europe) is widespread in Europe, there are also other names for rapid transit systems, such as subway, underground, tube, , or . The list contains systems that can be defined as rapid transit with a completely segregated alignment, including light capacity metros, as well as light rail systems with a considerable section with a completely segregated alignment. Systems like these are grouped by Mark Ovenden as "Urban rail systems" in the 2007 version of the book Metro/Transit maps of the world.
The Tyrolian village of Serfaus also has a short metro, the U-Bahn Serfaus, which uses cushions instead of rails.