Sri Lanka Railways S14 is a class of diesel-electric multiple unit (DEMU) train sets, built for Sri Lanka Railways by CRRC Qingdao Sifang, China and financed by a Chinese sovereign loan.

[1] Nine of these train sets were imported to Sri Lanka from 2019 to 2020.

[2][3] In addition, four power cars designated as the S14A Class were also ordered for the Aruwakkalu Waste Processing Facility under the Metro Colombo Solid Waste Management Project in Puttalam.

[4] The Class S14 DEMUs all sport a pink, blue and white livery, while the S14A power cars are adorned with a distinctive green and white livery.

[1][4] The maiden run of the Class S14 was undertaken on the 3 September 2019 from Ratmalana to Aluthgama.