The Isle of Man Steam Railway Supporters' Association Ltd (IoMSRSA) is a railway preservationist group dedicated to ensuring the continued operation of the Isle of Man Railway on the Isle of Man. Since its inception in 1966 the group has provided volunteer workers, acted in a watchdog role and undertaken the restoration of the Groudle Glen Railway on the island, as well as supporting projects on the railway and producing a journal Manx Steam Railway News regularly.