S6

S6 or S-6 may refer to:

==Routes== S6 (Berlin), an S-Bahn line in Germany S6 (Milan suburban railway network) line in Italy S6 (Munich), an S-Bahn line in Germany S6 (Rhine-Main S-Bahn) line in Germany S6 (Rhine-Ruhr S-Bahn) line in Germany S6 (St. Gallen S-Bahn) line in the cantons of Glarus and St. Gallen, Switzerland S6 (ZVV), a Zurich S-Bahn line in the cantons of Aargau and Zurich in Switzerland S6, a cross-border line of Basel S-Bahn, Switzerland/Germany S6, a Hanover S-Bahn, line in Germany S6, a Karlsruhe Stadtbahn, line in Germany S6, a Lucerne S-Bahn, line in the cantons of Bern and Lucerne, Switzerland S6, a Rhein-Ruhr S-Bahn, line in Germany S6, a Rhine-Main S-Bahn, line in Germany S6, a Stuttgart S-Bahn, line in Germany S6, a Styria S-Bahn line in Austria S6, a cross-border line of Tyrol S-Bahn, Austria/Germany Seehas, a regional railway between Konstanz and Engen, Germany Tongmi line in China County Route S6 (California) Expressway S6 (Poland) Essex, a county of England S6 postcode, covering areas of north western Sheffield