Chilia may refer to:
- Kiliya, Ukraine
- Chilia, a village in Bârgăuani Commune, Neamţ County, Romania
- Chilia, a village in Făgeţelu Commune, Olt County, Romania
- Chilia, a village in Homoroade Commune, Satu Mare County, Romania
- Chilia Veche, a commune in Tulcea County, Romania
- Chilia branch, a distributary of the Danube
- Ivăneşti, a commune in Vaslui County, Romania
- Chilia, the genus of the Crag Chilia, a South American bird in the ovenbird family
- Chilia, in the Greek language, translates to "thousand", and is the root for the term Chiliasm, another term for Millenarianism