- CarmichaelA village and civil parish in South Lanarkshire council area, Scotland (OS grid ref NS9238).
- CarstairsA village in South Lanarkshire council area, Scotland (OS grid ref NS9346).
- CardewA hamlet in Dalston parish, Cumberland district, Cumbria, England, previously in City of Carlisle district (OS grid ref NY340492).
- CarnwathA village in South Lanarkshire council area, Scotland (OS grid ref NS9846).
- CardonaldA suburb in City of Glasgow council area, Scotland, south-west of the city centre (OS grid ref NS5364).
- CaerlaverockA civil parish of Dumfries and Galloway council area, Scotland (but historically in Dumfriesshire).
- CarfraeA castle in Lauder parish, Scottish Borders council area, Scotland, formerly in Berwickshire.
- CarlowrieA castle in Kirkliston parish, Edinburgh council area, Scotland, traditionally in West Lothian.