S series
- Acer Aspire
- Apple S series
- Bedford S series
- Calcutta State Transport Corporation
- Chevrolet S-series
- Force10
- Fujifilm FinePix S-series
- GMC S-Series
- HP ProBook
- Ibanez S series
- IdeaPad S series
- International S series
- International S series (bus chassis)
- List of BMW engines
- Meguro motorcycles
- Minolta Vectis S series
- Official Journal of the European Union
- S (disambiguation)
- S series (Toronto subway)
- S-Series (rocket family)
- S-Series of ILS specifications
- Samsung Galaxy S series
- Saturn S-Series
- Sony Ericsson S series
- Sony Vaio S series
- ThinkPad
- Toyota LiteAce
- Waco S series
- Walkman S Series
- Xbox Series S