Gus-Zhelezny (, lit. iron goose) is an urban locality (an urban-type settlement) in Kasimovsky District of Ryazan Oblast, Russia. Population:
It was founded in the 18th century on the Gus River's bank.
The main point of interest of Gus-Zhelezny is the 19th century Russian orthodox Trinity Cathedral, built in a rare for Russia Gothic Revival style with elements of neobaroque and neoclassicism.