Category:Narrow-gauge locomotives

• Narrow-gauge steam locomotives (7 C, 4 P)

0–9

• 600 mm gauge railway locomotives (1 C, 20 P)
• 2 ft gauge locomotives (48 P)
• 750 mm gauge locomotives (27 P)
• 760 mm gauge locomotives (3 P)
• 2 ft 6 in gauge locomotives (17 P)
• 785 mm gauge locomotives (4 P)
• 900 mm gauge locomotives (7 P)
• 3 ft gauge locomotives (1 C, 47 P)
• 3 ft 6 in gauge locomotives (7 C, 38 P)

H

• Hunslet narrow-gauge locomotives (12 P)

K

• Narrow-gauge diesel locomotives of Korea (1 P)

U

• Narrow-gauge locomotives of the United Kingdom (1 C, 49 P)

C

• Class 99 (German narrow gauge locomotives)

E

• EMD BB40T-2
• EMD G8
• EMD SD70ACe-BB

F

• Fire Queen
• FS class R.301

I

• Isle of Man Railway locomotives

L

• List of Ffestiniog Railway rolling stock
• List of Hunslet narrow-gauge locomotive designs

P

• Polar Bear (battery-electric locomotive)
• List of preserved Hunslet narrow-gauge locomotives

S

• Salamanca (locomotive)
• Stourbridge Lion