So Long at the Fair
- Jaar: 1950
- Land: United Kingdom
- Genre: Mysterie, Thriller, Drama
- Studio: Gainsborough Pictures
- Trefwoord: hotel, paris, france, based on novel or book, disappearance, hidden room, 19th century, paris expo, vanished man, brother sister relationship
- Regisseur: Terence Fisher, Antony Darnborough
- Gips: Jean Simmons, Dirk Bogarde, David Tomlinson, Marcel Poncin, Cathleen Nesbitt, Honor Blackman