瑞士联邦铁路（德语：SBB, Schweizerische Bundesbahnen；法语：CFF, Chemins de fer fédéraux suisses；意大利语：FFS, Ferrovie federali svizzere；罗曼什语：Viafiers federalas svizras，通常连写作SBB-CFF-FFS）是瑞士联邦的国营铁路公司，总部设在伯尔尼。从前是一个政府部门，1999年以来，成为瑞士联邦与各州共有的股份公司。

Swiss Federal Railways (German:Schweizerische Bundesbahnen (SBB), French:Chemins de fer fédéraux suisses (CFF), Italian:Ferrovie federali svizzere (FFS)) is the national railway company of Switzerland. It is usually referred to by the initials of its German, French and Italian names, either concatenated as SBB CFF FFS, or used separately. The Romansh version of its name, Viafiers federalas svizras, is not officially used.