6S may stand for:
Business and management
6S, a modification of the 5S methodology which includes "Safety" as the 6th S. It is a lean process improvement tool that stands for Sort, Set in Order (a.k.a. Straighten or Stabilize), Shine (a.k.a. Scrub or Sweep), Standardize, Sustain, Safety. 6S can be the shortened form of Six Sigma 6S Methodology, a workplace organizational method
Music
6S (music), key signature of six sharps
Science and technology
6S (radiative transfer code), a computer program that simulates the reflection of solar radiation 6S / SsrS RNA, the first noncoding RNA to be sequenced iPhone 6S, a smartphone by Apple, Inc. 6s, possible value in
Television
6S, the production code for the 1984 Doctor Who serial The Twin Dilemma
Transportation
Kato Airline, a Norwegian airline with an IATA airline designator of 6S from 1996 to 2008 Sahara Airlines (Algeria), an Algerian airline with an IATA airline designator of 6S from 1999 to 2003 British Rail Class 201 diesel-electric multiple units with 6 coaches and a short frame (6S)
See also
6 (disambiguation) S6 (disambiguation) 6X (disambiguation)