Swiss Southeast Railway

Schweizerische Südostbahn stands for the following railway companies:

• Schweizerische Südostbahn (1853 to 1857), predecessor company of the United Swiss Railways , see United Swiss Railways # Founding and financing
• Swiss Southeast Railway (1890) ("old" Southeast Railway) in Central Switzerland (1860 to 2001)
• Swiss South Eastern Railway (2001) ("new" South Eastern Railway), in Central and Eastern Switzerland (from 2001)

This is a disambiguation page for differentiating between several terms identified with the same word.