Steam Tug Wattle is a steam-powered tugboat undergoing refurbishment in Melbourne, Australia. The tugboat was constructed at Cockatoo Island Dockyard during the Great Depression as a project to keep shipyard apprentices employed. The tugboat was built with a riveted steel hull, but welding was used on the bulkheads and fuel bunkers for the first time in an Australian shipyard. The vessel was the first Australian tugboat to be built with an oil-fired compound steam engine.