C
- Caesar (leader of people: Caesar)
- GWR Caesar class 0-6-0 (1851 - 1880)
- Caliban (Shakespear character: Caliban)
- GWR Pyracmon class 0-6-0 (1848 - 1873)
- Caliph (Leadrer of people: Caliph)
- GWR Standard Goods 0-6-0 (1854 - 1878)
- Cambyses (Leader of people: Cambyses)
- GWR Standard Goods 0-6-0 (1854 - 1877)
- Camel (Animal: Camel)
- SDR Buffalo class 0-6-0ST (1872 - 1892)
- Camelia (Flower: Camelia)
- GWR Metropolitan class 2-4-0T (1863 - 1876)
- Cancer (Zodiac: Cancer)
- GWR Leo class 2-4-0 (1841 - 1874)
- Capricornus (Zodiac: Capricorn)
- GWR Leo class 2-4-0 (1842 - 1870)
- Castor (Greek mythology: Castor and Pollux)
- GWR Fire Fly class 2-2-2 (1841 - 1874)
- SDR Eagle class 4-4-0ST (1865 - 1882)
- Cato (Roman personality: Cato)
- GWR Standard Goods 0-6-0 (1853 - 1871)
- SDR Eagle class 4-4-0ST (1863 - 1877)
- Centaur (Greek mythology: Centaur)
- GWR Fire Fly class 2-2-2 (1841 - 1867)
- Cerebus (Greek mythology: Cerebus)
- GWR Fire Fly class 2-2-2 (1841 - 1866)
- GWR Hawthorn class 2-4-0 (1866 - 1877)
- GWR Hawthorn class 2-4-0T (1877 - 1892)
- Ceres (Roman mythology: Ceres)
- GWR Standard Goods 0-6-0 (1854 - 1877)
- Champion (Power: Champion)
- GWR Standard Goods 0-6-0 (1862 - 1878)
- Charon (Greek mythology: Charon)
- GWR Fire Fly class 2-2-2 (1840 - 1878)
- Cheltenham (Geography: Cheltenham)
- BGR 2-2-2 (1844 - 1856)
- Chester (Geography: Chester)
- GWR Swindon class 0-6-0 (1866 - 1873)
- Chronus (Greek mythology: Chronos)
- GWR Standard Goods 0-6-0 (1861 - 1878)
- Cicero (Roman personality: Cicero)
- GWR Standard Goods 0-6-0 (1853 - 1871)
- Clyde (Geography: River Clyde)
- GWR Standard Goods 0-6-0 (1858 - 1872)
- Coeur de Lion (Literary: see The Waverley Novels)
- GWR Waverley class 4-4-0 (1855 - 1876)
- Comet (Speed: Comet)
- GWR Sun class 2-2-2 (1840 - 1871)
- SDR Comet class 4-4-0ST (1851 - 1884)
- Coquette
- GWR Standard Goods 0-6-0 (1853 - 1875)
- Cornwall (Geography: Cornwall)
- NCJR 0-6-0T
- Corsair
- GWR Bogie class 4-4-0ST (1849 - 1873)
- Cossack (Classical peoples: Cossack)
- GWR Standard Goods 0-6-0 (1862 - 1880)
- Courier (Speed: Courier)
- GWR Iron Duke class 4-2-2 (1848 - 1877)
- GWR Rover class 4-2-2 (1878 - 1892)
- Creedy (Geography: River Creedy)
- NDR 2-4-0 (1855 - 1877)
- Creese
- GWR Sun class 2-2-2 (1842 - 1866)
- Creon (Greek mythology: Creon)
- GWR Standard Goods 0-6-0 (1856 - 1872)
- Crimea (British battles: Crimean War)
- GWR Iron Duke class 4-2-2 (1855 - 1876)
- GWR Rover class 4-2-2 (1878 - 1892)
- Crow (Bird: Crow)
- SDR Raven class 0-4-0ST (1874 - 1892)
- Cupid (Roman mythology: Cupid and Psyche)
- GWR Standard Goods 0-6-0 (1853 - 1874)
- Cyclops (Greek mythology: Cyclops)
- GWR Fire Fly class 2-2-2 (1840 - 1865)
- Cyprus (Greek mythology: birthplace of Aphrodite)
- GWR Standard Goods 0-6-0 (1854 - 1878)
- Czar (Leader of people: Czar)
- GWR Metropolitan class 2-4-0T (1862 - 1871)
Read more about this topic: List Of Broad Gauge (7 Feet) Railway Locomotive Names