Wawoi River is a river located in Western Province, Papua New Guinea. With a total length of 482 km (300 mi), mean annual discharge of 2,000 m³/s (71,000 cu ft/s) and has a drainage basin of 18,171 km² (7,016 sq mi) its source is located in Mount Bosavi and flows southeast into the Gulf of Papua. The river is home to fish species such as barramundi and catfish. The surrounding landscape is also home to a variety of fauna such as Rusa deer, wallabies, wild pigs, crocodiles and various lizards.

This article includes a list of references, related reading, or external links, but its sources remain unclear because it lacks inline citations. (January 2016)

The estimated terrain elevation above sea level is 1 m (3.3 ft).

7.7962°S 143.2610°E / -7.7962; 143.2610