Kerr, Stuart and Company Ltd was a locomotive manufacturer from Stoke-on-Trent, England. In the late 1920s a number of diesel locomotives were built. These were available with two or three axles for various track gauges. The engines were by McLaren-Benz in 2-cylinder (30 hp), 4-cylinder (60 hp) or 6-cylinder (90 hp) form. Transmission was mechanical and final drive was by roller chains.

They were very successful even though technology moved on quickly. Further development was stopped when Kerr, Stuart's went into receivership, but the Hunslet range of diesel locomotives was based on these. At least 3 Kerr, Stuart diesel locomotives have survived into preservation, but none is in original condition with all having been given different engines.