- cupA concave vessel for drinking, usually made of opaque material (as opposed to a glass) and with a handle.
- capA close-fitting hat, either brimless or peaked.
- copTo capture or arrest someone.
- CopleyA village west of Bishop Auckland, County Durham, England (OS grid ref NZ0825).
- CoppA surname.
- CopplestoneA village and civil parish in Mid Devon district, Devon, England (OS grid ref SS7602).
- CuppettAn English surname transferred from the nickname.
- WarcopA village and civil parish in Eden district, Cumbria, England (OS grid ref NY7415).