Plym can refer to:
*
River Plym, in Devon
*
HMS ''Plym'' (K271), a River class frigate
* ''Plym'' and ''Plym II'', former and current
Torpoint Ferries
* ''Plym'', a
GWR Caliph Class
The Great Western Railway (GWR) Ariadne Class and Caliph Class were broad gauge 0-6-0 steam locomotives designed for goods train work by Daniel Gooch and are often referred to as his Standard Goods locomotives.
The class was introduced into se ...
locomotive
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