- coldHaving a low temperature.
- CaldwellA locality in Cardston County, Alberta, Canada.
- CaldecottA former civil parish in Cheshire West and Chester district, Cheshire, England, now part of Shocklach Oviatt and District civil parish.
- CawthorneA village and civil parish in the Metropolitan Borough of Barnsley, South Yorkshire, England (OS grid ref SE2807).
- ColbeckA surname from Old English.
- CalcuttA village in Harrogate district, North Yorkshire, England (OS grid ref SE343557).
- ColebrookeA village and civil parish in Mid Devon district, Devon, England (OS grid ref SS7700).
- CalcottA hamlet in Canterbury district, Kent, England (OS grid ref TR172796).
- Coniston ColdA small village and civil parish in North Yorkshire, England, previously in Craven district (OS grid ref SD9055).