H
- Hackworth (Famous engineer: Timothy Hackworth)
- GWR Hawthorn class 2-4-0 (1865 - 1892)
- Hades (Greek mythology: Hades)
- GWR Standard Goods 0-6-0 (1861 - 1878)
- Harpy (Greek mythology: Harpy)
- GWR Fire Fly class 2-2-2 (1841- 1873)
- Hawk (Bird: Hawk)
- GWR Fire Fly class 2-2-2 (1840 - 1865)
- SDR Eagle class 4-4-0ST (1859 - 1886)
- GWR Hawthorn class 2-4-0 (1865 - 1892)
- Hawthorn (Famous engineer: see Hawthorn Leslie and Company)
- GWR Hawthorn class 2-4-0 (1865 - 1876)
- Hebe (Greek mythology: Hebe)
- GWR Standard Goods 0-6-0(1852 - 1877)
- SDR Dido class 0-6-0ST (1860 - 1877)
- Hecate (Greek mythology: Hecate)
- GWR Fire Fly class 2-2-2 (1841 - 1867)
- Hecla (Geography: Hecla)
- GWR Leo class 2-4-0 (1841 - 1864)
- CCR and SDR 4-4-0ST (1864 - 1892)
- Hector (Greek mythology: Hector)
- GWR Fire Fly class 2-2-2 (1841 - 1866)
- SDR Eagle class 4-4-0ST (1860 - 1892)
- Hecuba (Greek mythology: Hecuba)
- GWR Standard Goods 0-6-0 (1853 - 1873)
- Hedley (Famous engineer: William Hedley)
- GWR Hawthorn class 2-4-0 (1865 - 1877)
- GWR Hawthorn class 2-4-0T (1877 - 1892)
- Hercules (Roman mythology: Hercules)
- GWR Hercules class 0-6-0 (1842 - 1870)
- SDR Buffalo class 0-6-0ST (1872 - 1889)
- Hereford (Geography: Hereford)
- GWR Swindon class 0-6-0 (1866 - 1872)
- Hero (Mythology: Hero)
- GWR Caesar class 0-6-0 (1851 - 1871)
- SDR Dido class 0-6-0ST (1860 - 1887)
- Heron (Bird: Heron)
- CCR and SDR 4-4-0T (1861 - 1872)
- SDR 4-4-0ST (1872 - 1892)
- Hesiod (Greek personality: Hesiod)
- GWR Bogie class 4-4-0ST (1855 - 1872)
- Hesperus (Roman mythology: Hesperus)
- GWR Sun class 2-2-2 (1841 - 1876)
- Hirondelle (Bird: French for Swallow)
- GWR Iron Duke class 4-2-2 (1848 - 1873)
- GWR Rover class 4-2-2 (1873 - 1890)
- Homer (Greek personality: Homer)
- GWR Bogie class 4-4-0ST (1854 - 1873)
- Horace (Roman personality: Horace)
- GWR Bogie class 4-4-0ST (1854 - 1880)
- Hornet (Insect: Hornet)
- GWR Metropolitan class 2-4-0T (1862 - 1873)
- Humber (Geography: River Humber)
- GWR Standard Goods 0-6-0 (1857 - 1883)
- Hurricane (Power: Hurricane)
- GWR Harrison 0-4-0+6 (1838 - 1839)
- Hydra (Greek mythology: Lernaean Hydra)
- GWR Fire Fly class 2-2-2 (1842 - 1865)
Read more about this topic: List Of Broad Gauge (7 Feet) Railway Locomotive Names