List of wars involving Papua New Guinea
# List of wars involving Papua New Guinea

This is a list of wars involving Papua New Guinea, German New Guinea or Territory of New Guinea.

| Conflict | Combatant 1 | Combatant 2 | Results | Casualties |
| - | - | - | - | - |
| Battle of Bita Paka (11 September 1914) | Germany German New Guinea | Australia | Defeat | 30 Melanese police killed, 10 wounded |
| Australian occupation of German New Guinea (September–November 1914) | Germany German New Guinea | Australia | Defeat | 85 killed and 15 wounded |
| New Guinea Campaign (1942–1945) | Australia New Guinea  United States  United Kingdom  Netherlands | Imperial Japan | Victory | 42,000 total |
| Coconut War (August–September 1980) | Vanuatu Papua New Guinea Solomon Islands | Nagriamel rebels | Victory | ? |
| Bougainville Civil War (1988–1998) | Papua New Guinea Buka Liberation Front Bougainville Resistance Force Supported by:  Australia | Bougainville Interim Government (BIG) Bougainville Revolutionary Army (BRA) Supported by:  Solomon Islands Fiji (allegedly) | Bougainville Peace Agreement Establishment of the Autonomous Bougainville Government | 300+ PNGDF soldiers killed Several thousand wounded |
