This page lists all resident and hired diesel locomotives used for hauling passenger trains in operational condition, {{as of|2023|0306|lc="y"}}.
==Gallery==
File:D8568_20210813.jpg|D8568
File:BR Class 20 20048 Bridgnorth 20220616.jpg | 20048
File:31466 20210731.jpg | 31466
File:33108_20200101.jpg|33108
File:40106 20180811.jpg | 40106 Atlantic Conveyor