British Aircraft Companies - C
- CAC
- Cain
- Cambridge (circa 1909)
- Cambridge (circa 1910)
- Cambridge (circa 1934)
- Cameron (circa 1910)
- Cameron (circa 1936)
- Campbell
- Campbell, Malcolm
- Campbell-Jones
- Camsell
- Candler
- Carden-Baynes
- Carylon
- Carter
- Central Aircraft
- Central Aviation
- Central Novelty
- CF
- CFM
- Challis
- Chamcott
- Channon
- Chanter
- Chard
- Chatley
- Chesterton
- Chichester-Miles
- Chilton
- Chimera
- Chittenden-Robinson
- Commercial
- Comper
- Comper Fane
- Conisborough
- Cook Flying Machines
- Cooke
- Cooper
- Cooper-Travers
- Coppelia
- Cordner
- Corvex
- Cott
- Coventry Ordnance Works
- C.O.W.
- Cramlington
- Cranfield
- Cranfield, Andrew
- Cranwell
- Crawford
- Creese-Dederich
- Cricket
- Crompton
- Croplease
- Crossley
- Cunliffe-Owen
- Currie
- CW
- Cyberflight
- Cyclone