Locomotive types
Chronology
Early locomotives

Caledonian Railway
Highland Railway
NBR (North British
LBSCR (Brighton)
Furness Railway
GER (Great Eastern)
GNR (Great Northern)
GWR (Great Western)
broad gauge
LNWR (London & North Western)
L&YR locos
Midland Railway
NER (North Eastern)

By designer
(Churchward included within GWR)
Ivatt designs
Maunsell designs
Bulleid designs
Gresley designs
Thompson designs
Fowler designs
Stanier designs
BR standards ("Riddles")
WW1 and WW2 locomotives
Irish development
Irish engineers
Minor railways' locomotives
Narrow gauge locos
Locomotive manufacturers
Testing locomotives