Kuwait National Railways

 (Arabic: سكك حديد الكويت الوطنية; sikak hadid alkuayt alwatania) is a private railway operated by SFG Railway Operations and located in. The railway was originally built to 1,600 mm (5 ft 3 in) Irish gauge by Irish engineer O.I. Caomhánach for the from 1899 to 1903. It was later converted to 1,435 mm (4 ft ​8 1⁄2 in) standard gauge in the early 1930's.

Steam
's original Irish gauge fleet was comprised mostly of 4-6-0 locomotives built by the in,. Upon the regauging to standard gauge, most of the Irish gauge fleet was either exported to other countries that used the gauge or cannibalized for parts. The standard gauge steam fleet for consisted mainly of 2-8-2 and 2-10-2 locomotives built by the  in  and 4-8-4 locomotives built by  in.

Diesel
began dieselization in 1963, however some of the steam locomotives that weren't scrapped or sold to other countries have survived in museums and private collections.