| Blonay–Chamby | |
| Owner: | Transports Montreux–Vevey–Riviera |
| Operator: | Blonay–Chamby Museum Railway |
| Linelength Km: | 3.0 |
| Tracks: | 1 |
| Linenumber: | 115 |
| Speed Km/H: | 20 |
| Map State: | uncollapsed |
The Blonay–Chamby railway line is a railway line in the canton of Vaud, Switzerland. It runs from to . The line is owned by Transports Montreux–Vevey–Riviera (MVR), who use the line to move rolling stock between the Vevey - les Pleiades line and the Montreux–Lenk im Simmental line. the Blonay–Chamby Museum Railway operates shuttle trains with historic rolling stock over the route at weekends between May and October. It was originally built by the Chemins de fer électriques Veveysans (CEV).
The Chemins de fer électriques Veveysans (CEV) opened the line from to on 1 October 1902. The line was electrified from opening. The full line ran ; the length from Blonay to Chamby was . The CEV ceased operations between Blonay and Chamby on 21 May 1966. The line was not abandoned, and the Blonay–Chamby Museum Railway began operations over the route on 20 July 1968.