# List of lakes of Papua New Guinea

This is a list of lakes in Papua New Guinea. There are about 5383 freshwater lakes in the country. The majority of lakes measure less than 0.1 km$^2$ (0.039 sq mi) but the biggest one is 647 km$^2$ (250 sq mi) in size.

## Lakes

| Lake | Location | Area | Notes | Coordinates |
| Blackwater Lakes | East Sepik Province | 10.1 km$^2$ (3.9 sq mi) | | 4°35′17.59″S 143°15′27.61″E﻿ / ﻿4.5882194°S 143.2576694°E﻿ / -4.5882194; 143.2576694 |
| Lake Bune | Southern Highlands Province | 0.17 km$^2$ (0.066 sq mi) | The first Europeans to explore the Southern Highlands, Leahy brothers, called it lake Unimi. Nearby village named after lake Lake Bune. | 6°10′19″S 144°01′02″E﻿ / ﻿6.1720043°S 144.0172286°E﻿ / -6.1720043; 144.0172286 |
| Chambri Lakes | East Sepik Province | 216 km$^2$ (83 sq mi) | | 4°16′32.31″S 143°6′5.27″E﻿ / ﻿4.2756417°S 143.1014639°E﻿ / -4.2756417; 143.1014639 |
| Lake Iviva | Enga Province | 0.72 km$^2$ (0.28 sq mi) | | 4°35′17.59″S 143°15′27.61″E﻿ / ﻿4.5882194°S 143.2576694°E﻿ / -4.5882194; 143.2576694 |
| Lahala Lake | Autonomous Region of Bougainville | 5.66 km$^2$ (2.19 sq mi) | | 6°40′53.23″S 155°56′2.38″E﻿ / ﻿6.6814528°S 155.9339944°E﻿ / -6.6814528; 155.9339944 |
| Lake Egari | Southern Highlands Province | 0.2 km$^2$ (0.077 sq mi) | | 6°1′8.5″S 143°41′48.4″E﻿ / ﻿6.019028°S 143.696778°E﻿ / -6.019028; 143.696778 |
| Lake Kopiago | Hela Province | 0.88 km$^2$ (0.34 sq mi) | Notable for it floating islands. | 5°24′19.15″S 142°29′16.33″E﻿ / ﻿5.4053194°S 142.4878694°E﻿ / -5.4053194; 142.4878694 |
| Lake Kutubu | Southern Highlands Province | 49.24 km$^2$ (19.01 sq mi) | Ramsar site | 6°24′S 143°20′E﻿ / ﻿6.400°S 143.333°E﻿ / -6.400; 143.333 |
| Lake Guri | Madang Province | 0.46 km$^2$ (0.18 sq mi) | Near Tsumba Mission on Ramu river. | 4°37′43″S 144°35′49″E﻿ / ﻿4.62861°S 144.59694°E﻿ / -4.62861; 144.59694 |
| Lake Gwam | Morobe Province | 0.2 km$^2$ (0.077 sq mi) | | 6°19′18.3″S 147°06′54.3″E﻿ / ﻿6.321750°S 147.115083°E﻿ / -6.321750; 147.115083 |
| Lake Hargy | East New Britain Province | 9.3 km$^2$ (3.6 sq mi) | | 5°22′S 151°08′E﻿ / ﻿5.367°S 151.133°E﻿ / -5.367; 151.133 |
| Murik Lakes | East Sepik Province | | A cluster of saltwater and freshwater lakes in Sepik River estuaries at Bismarck Sea. | 3°49′S 144°15′E﻿ / ﻿3.817°S 144.250°E﻿ / -3.817; 144.250 |
| Lake Murray | Middle Fly District, Western Province | 647 km$^2$ (250 sq mi) | | 7°00′S 141°30′E﻿ / ﻿7°S 141.5°E﻿ / -7; 141.5 |
| Lake Onim | Southern Highlands Province | 0.36 km$^2$ (0.14 sq mi) | The first Europeans to explore the Southern Highlands, Leahy brothers, called it lake Tangigi. | 6°09′57.4″S 143°59′05″E﻿ / ﻿6.165944°S 143.98472°E﻿ / -6.165944; 143.98472 |
| Lake Tareko | National Capital District | 1.27 km$^2$ (0.49 sq mi) | | 9°22′28.5″S 147°11′11.1″E﻿ / ﻿9.374583°S 147.186417°E﻿ / -9.374583; 147.186417 |
| Lake Warangai | East Sepik Province | 7.8 km$^2$ (3.0 sq mi) | | 4°22′33.62″S 141°56′33.98″E﻿ / ﻿4.3760056°S 141.9427722°E﻿ / -4.3760056; 141.9427722 |

## Volcanic crater lakes

| Volcanic crater lake | Location | Area | Notes | Coordinates |
| Balbi | Autonomous Region of Bougainville | 0.07 km$^2$ (0.027 sq mi) | One of six volcano craters has a lake in it. | 5°54′41.3″S 154°59′44″E﻿ / ﻿5.911472°S 154.99556°E﻿ / -5.911472; 154.99556 |
| Billy Mitchell Crater Lake | Autonomous Region of Bougainville | 3 km$^2$ (1.2 sq mi) | | 6°05′20″S 155°13′36″E﻿ / ﻿6.08889°S 155.22667°E﻿ / -6.08889; 155.22667 |
| Dakataua | West New Britain Province | 48 km$^2$ (19 sq mi) | Located on Willaumez Peninsula, New Britain | 5°01′37.3″S 150°05′23″E﻿ / ﻿5.027028°S 150.08972°E﻿ / -5.027028; 150.08972 |
| Karkar | Madang Province | Lake dried out. | Located on Karkar Island. | 4°38′59.08″S 145°58′20.41″E﻿ / ﻿4.6497444°S 145.9723361°E﻿ / -4.6497444; 145.9723361 |
| Loloru | Autonomous Region of Bougainville | 0.9 km$^2$ (0.35 sq mi) | Sacred place, hunting on the lake is forbidden. | 6°31′S 155°37′E﻿ / ﻿6.517°S 155.617°E﻿ / -6.517; 155.617 |
| Lake Namor | West New Britain Province | 1.55 km$^2$ (0.60 sq mi) | Located on Lolobau Island | 4°56′50.0″S 151°11′14.2″E﻿ / ﻿4.947222°S 151.187278°E﻿ / -4.947222; 151.187278 |
| Sakar | Morobe Province | 0.13 km$^2$ (0.050 sq mi) | Located on Sakar Island | 5°24′19.8″S 148°04′50.1″E﻿ / ﻿5.405500°S 148.080583°E﻿ / -5.405500; 148.080583 |
| Wisdom Lake | Madang Province | 86.7 km$^2$ (33.5 sq mi) | Located on Long Island | 5°20′12.34″S 147°6′13.12″E﻿ / ﻿5.3367611°S 147.1036444°E﻿ / -5.3367611; 147.1036444 |
| Victory | Ijivitari District, Oro Province | 0.17 km$^2$ (0.066 sq mi) | Located on Cape Nelson. | 9°12′33.3″S 149°04′35.6″E﻿ / ﻿9.209250°S 149.076556°E﻿ / -9.209250; 149.076556 |

## Dams

| Dam | Location | Notes | Coordinates |
| Yonki Dam | Eastern Highlands Province | | 6°15′05″S 145°58′49″E﻿ / ﻿6.25139°S 145.98028°E﻿ / -6.25139; 145.98028 |
| Sirinumu Dam | Central Province | | 9°30′10″S 147°28′41″E﻿ / ﻿9.50278°S 147.47806°E﻿ / -9.50278; 147.47806 |
| Wabo Dam | Gulf Province | Proposed Hydroelectric plant on Purari River. | |