SS Matunga was a 1,618-gross register ton passenger-cargo ship, built by Napier and Miller, Glasgow for Mersey Steamship Co., Liverpool and originally named Zweena. Purchased by Burns Philp & Co. Ltd in 1910 for the British Solomon Islands service. Burns Philp was operating seven plantations in the Solomon Islands through subsidiaries - the Solomon Islands Development Company, the Shortland Islands Plantation Ltd and Choiseul Plantations Ltd.
While en route from Sydney to Rabaul, on 6 August 1917 she was captured by the German raiding ship . The coal was transferred to the Wolf, then time bombs were placed on the Matunga and she sank stern first near Waigeo Island.