The Genga River is a river on Bougainville Island, located within the Autonomous Region of Bougainville, in northeastern Papua New Guinea.

The river flows into the Solomon Sea on the western side of Bougainville Island.

v t e Rivers of Papua New Guinea
Major rivers	Sepik Fly Strickland Ramu Kikori Purari Turama Markham
Mainland New Guinea	Abede Afai Aitape Ajova Arafundi Arai Aramia Aroa Asaro Atara Ateltem Atob Awung Bae'e Bamu Bapi Bensbach Bigei Birim Bitoi Boiken Bumi Busu Chimbu Dimir Elevala Evapia Frieda Gama Genga Gilagil Girua Gogol Guabe Guam Guga Gum Hongorai Jaba Jimi Kabenau Kaugel Kaukombar Keram Kokun Kumil Kumusi Lamari Left May Leonard Schultze Malas Mambare Mape Masaweng Mindjim Moam Morehead Musa Numagen Nuru Ok Tedi Omati Omosa Oriomo Pahoturi Piore Piva Pual Samaia Segero Senu Siki Sogeram Song Tabali Timper Tomul Torokina Tua Vanapa Veimauri Wanang Waria Wassi Kussa Watut Wawoi Wogamush Yaganon Yellow Yuat
New Britain	Aemoi Apmi Balima Johanna Warangoi
New Ireland	Aparam Lossuk Lumis