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

Samsung Galaxy S6, a smartphone produced by Samsung
Samsung Galaxy Tab S6, an Android tablet
S6 NBC Respirator, the protective gas mask issued to the British armed forces from 1966 up until the introduction of the current-issue S10 in 1986
S6 truss, a part of the International Space Station
s6 (software), a software suite providing process supervision in Unix-like systems.