Chiltern can refer to the following places:
In England:
- Chiltern Hills, an area of Outstanding Natural Beauty, known locally as "the Chilterns"
- Chiltern District, a local government district in Buckinghamshire named after the hills
- Chiltern Forest, a forest on the same hills
- Chiltern Open Air Museum, an open air museum in the same hills
- Chiltern Main Line, an important railway line, that runs through the Chiltern Hills
- Chiltern Railways, the company that operates the line
- Chiltern Hundreds, a political appointment
- Chiltern Radio Network, a group of radio stations based in Dunstable
- Heart Dunstable, one of the stations in that group, previously known as "Chiltern Radio"
In Australia:
- Chiltern, Victoria, a town near Rutherglen