| River | Mouth coordinates | Basin size (km²) | Average discharge (m3/s) | Length (km) |
| Arafura Sea |
| Morehead | 9°8′19.6764″S 141°20′31.47″E / 9.138799000°S 141.3420750°E / -9.138799000; 141.3420750 | 3,555.8 | 99 | 175 |
| Bensbach | 9°7′41.5632″S 141°1′11.2332″E / 9.128212000°S 141.019787000°E / -9.128212000; 141.019787000 | 2,516.7 | 92.4 | 242 |
| Mai Kussa | 9°8′30.1848″S 142°12′11.25″E / 9.141718000°S 142.2031250°E / -9.141718000; 142.2031250 | 2,244.5 | 55.9 | 28 |
| Wassi Kussa | 9°10′4.818″S 142°3′0.4788″E / 9.16800500°S 142.050133000°E / -9.16800500; 142.050133000 | 1,551.7 | 48.5 | 33 |
| Bismarck Sea |
| Sepik | 3°50′21.622″S 144°32′32.979″E / 3.83933944°S 144.54249417°E / -3.83933944; 144.54249417 | 80,386.2 | 5,000 | 1,126 |
| Ramu | 4°1′3.675″S 144°40′0.053″E / 4.01768750°S 144.66668139°E / -4.01768750; 144.66668139 | 17,822.6 | 990 | 640 |
| Gogol | 5°19′17.766″S 145°45′17.434″E / 5.32160167°S 145.75484278°E / -5.32160167; 145.75484278 | 2,086 | 142.7 | 165 |
| Kapiura | 5°32′13.9884″S 150°39′32.2992″E / 5.537219000°S 150.658972000°E / -5.537219000; 150.658972000 | 1,867.7 | 182.7 | 62.05 |
| Via | 5°31′40.4292″S 149°30′47.97″E / 5.527897000°S 149.5133250°E / -5.527897000; 149.5133250 | 1,110 | 90.6 | |
| Pandi | 4°56′6.5364″S 151°26′38.1732″E / 4.935149000°S 151.443937000°E / -4.935149000; 151.443937000 | 1,085.3 | 163.5 | |
| Urawa | 5°50′12.891″S 146°49′58.229″E / 5.83691417°S 146.83284139°E / -5.83691417; 146.83284139 | 1,030.5 | 38.6 | |
| Aria | 5°34′26.094″S 149°15′54.8748″E / 5.57391500°S 149.265243000°E / -5.57391500; 149.265243000 | 1,012.2 | 76.7 | |
| Toriu | 4°42′44.4816″S 151°39′22.0536″E / 4.712356000°S 151.656126000°E / -4.712356000; 151.656126000 | 806.2 | 56.3 | |
| Kulu | 5°29′33.5652″S 149°54′20.2896″E / 5.492657000°S 149.905636000°E / -5.492657000; 149.905636000 | 769.8 | 69.6 | |
| Kwama | 5°54′59.988″S 147°16′11.850″E / 5.91666333°S 147.26995833°E / -5.91666333; 147.26995833 | 574.9 | 37.3 | |
| Nankina | 5°36′23.410″S 146°27′42.251″E / 5.60650278°S 146.46173639°E / -5.60650278; 146.46173639 | 550.9 | 31.6 | |
| Timbe | 5°55′58.930″S 147°4′22.670″E / 5.93303611°S 147.07296389°E / -5.93303611; 147.07296389 | 459.9 | 26.9 | |
| Malas | 4°22′54.258″S 145°16′14.413″E / 4.38173833°S 145.27067028°E / -4.38173833; 145.27067028 | 393.2 | 24.5 | |
| Gilagil | 4°43′30.862″S 145°39′18.816″E / 4.72523944°S 145.65522667°E / -4.72523944; 145.65522667 | 364.5 | 24 | |
| Korindindi | 4°55′13.6452″S 151°39′14.58″E / 4.920457000°S 151.6540500°E / -4.920457000; 151.6540500 | 344.9 | 37.6 | |
| Toiru | 5°23′25.8576″S 150°59′33.9504″E / 5.390516000°S 150.992764000°E / -5.390516000; 150.992764000 | 313.7 | 43.1 | |
| Balima | 5°8′33.2376″S 151°5′17.7144″E / 5.142566000°S 151.088254000°E / -5.142566000; 151.088254000 | 313.6 | 44.2 | |
| Kapuluk | 5°31′36.4728″S 149°44′37.7088″E / 5.526798000°S 149.743808000°E / -5.526798000; 149.743808000 | 309.1 | 26.4 | |
| Gavuvu | 5°28′12.198″S 150°23′26.4912″E / 5.47005500°S 150.390692000°E / -5.47005500; 150.390692000 | 291.6 | 30.1 | |
| Wari | 2°12′6.6898″S 147°4′6.4776″E / 2.201858278°S 147.068466000°E / -2.201858278; 147.068466000 | 217.1 | 11.8 | |
| Yamule | 5°26′12.1812″S 150°57′32.8356″E / 5.436717000°S 150.959121000°E / -5.436717000; 150.959121000 | 201.4 | 24.9 | |
| Lobu | 5°12′28.5084″S 151°3′10.7208″E / 5.207919000°S 151.052978000°E / -5.207919000; 151.052978000 | 180.2 | 24.2 | |
| Coral Sea |
| Fly | 8°35′24.4824″S 143°36′39.024″E / 8.590134000°S 143.61084000°E / -8.590134000; 143.61084000 | 73,809.31 | 6,500 | 1,060 |
| Purari | 7°50′57.9624″S 145°2′54.8196″E / 7.849434000°S 145.048561000°E / -7.849434000; 145.048561000 | 33,517.8 | 3,000 | 630 |
| Bamu | 8°4′1.7796″S 143°42′37.2888″E / 8.067161000°S 143.710358000°E / -8.067161000; 143.710358000 | 19,346.5 | 1,113.6 | 310 |
| Kikori | 7°42′29.664″S 144°29′41.7624″E / 7.70824000°S 144.494934000°E / -7.70824000; 144.494934000 | 18,863.3 | 2,000 | 445 |
| Turama | 7°51′52.166″S 144°0′41.5296″E / 7.86449056°S 144.011536000°E / -7.86449056; 144.011536000 | 5,879.4 | 511.7 | 302 |
| Vailala | 7°56′43.1448″S 145°24′31.6476″E / 7.945318000°S 145.408791000°E / -7.945318000; 145.408791000 | 5,726.6 | 254.8 | 150 |
| Lakekamu | 8°13′16.1328″S 146°9′30.6936″E / 8.221148000°S 146.158526000°E / -8.221148000; 146.158526000 | 5,385 | 195 | |
| Vanapa | 9°7′18.1596″S 146°55′1.2396″E / 9.121711000°S 146.917011000°E / -9.121711000; 146.917011000 | 5,358 | 243 | |
| Tauri | 8°7′22.5084″S 146°4′37.6932″E / 8.122919000°S 146.077137000°E / -8.122919000; 146.077137000 | 4,263.9 | 260 | |
| Kempwelch | 10°3′18.6012″S 147°46′30.5328″E / 10.055167000°S 147.775148000°E / -10.055167000; 147.775148000 | 3,036.2 | 111.7 | |
| Alabule | 8°42′0.0252″S 146°29′34.908″E / 8.700007000°S 146.49303000°E / -8.700007000; 146.49303000 | 2,700.3 | 119.4 | |
| Gami | 8°0′3.6216″S 143°52′49.3896″E / 8.001006000°S 143.880386000°E / -8.001006000; 143.880386000 | 2,449.6 | 215.9 | 160 |
| Aroa | 9°3′51.9408″S 146°48′3.8232″E / 9.064428000°S 146.801062000°E / -9.064428000; 146.801062000 | 2,197.5 | 77.7 | |
| Era | 7°31′47.262″S 144°42′10.5912″E / 7.52979500°S 144.702942000°E / -7.52979500; 144.702942000 | 2,115.6 | 136.4 | |
| Akaifu | 8°21′6.0228″S 146°16′2.2512″E / 8.351673000°S 146.267292000°E / -8.351673000; 146.267292000 | 1,869.1 | 58.1 | |
| Ormond | 10°4′46.4124″S 148°10′4.5624″E / 10.079559000°S 148.167934000°E / -10.079559000; 148.167934000 | 1,660.4 | 41.5 | |
| Bonua | 10°14′4.7508″S 149°5′13.3116″E / 10.234653000°S 149.087031000°E / -10.234653000; 149.087031000 | 1,654.7 | 63.7 | |
| Omati | 7°44′31.2396″S 144°11′14.0676″E / 7.742011000°S 144.187241000°E / -7.742011000; 144.187241000 | 1,616.9 | 176.5 | 146 |
| Pahoturi | 9°16′26.4972″S 142°44′32.3664″E / 9.274027000°S 142.742324000°E / -9.274027000; 142.742324000 | 1,431.5 | 28.8 | 80 |
| Oriomo | 9°2′9.9924″S 143°10′54.426″E / 9.036109000°S 143.18178500°E / -9.036109000; 143.18178500 | 1,250.3 | 48.8 | 22 |
| Bailebu | 10°18′3.1716″S 149°16′34.6944″E / 10.300881000°S 149.276304000°E / -10.300881000; 149.276304000 | 1,100.7 | 38.3 | |
| Mori | 10°10′17.1516″S 148°33′56.3688″E / 10.171431000°S 148.565658000°E / -10.171431000; 148.565658000 | 894 | 33.1 | |
| Kapuri | 8°14′47.2068″S 146°11′43.0188″E / 8.246446333°S 146.195283000°E / -8.246446333; 146.195283000 | 872 | 29.8 | |
| Pie | 7°40′7.8996″S 144°50′31.3188″E / 7.668861000°S 144.842033000°E / -7.668861000; 144.842033000 | 689.7 | 46.9 | |
| Binaturi | 9°8′24.1764″S 142°57′18.3888″E / 9.140049000°S 142.955108000°E / -9.140049000; 142.955108000 | 540.7 | 15.3 | 48 |
| Sagarai | 10°26′35.8368″S 150°6′0.1044″E / 10.443288000°S 150.100029000°E / -10.443288000; 150.100029000 | 456.2 | 19 | |
| Murua | 7°54′18.7272″S 145°48′45.4896″E / 7.905202000°S 145.812636000°E / -7.905202000; 145.812636000 | 371.5 | 19.5 | |
| Wai'i | 7°27′21.8736″S 144°42′12.2136″E / 7.456076000°S 144.703392667°E / -7.456076000; 144.703392667 | 355.6 | 30.2 | |
| Pacific Ocean |
| Pual | 2°44′5.502″S 141°26′35.429″E / 2.73486167°S 141.44317472°E / -2.73486167; 141.44317472 | 2,682.1 | 85.2 | |
| Bliri | 2°57′43.120″S 141°59′12.615″E / 2.96197778°S 141.98683750°E / -2.96197778; 141.98683750 | 1,473.3 | 49.6 | |
| Laluai | 6°30′0.0756″S 155°54′48.9672″E / 6.500021000°S 155.913602000°E / -6.500021000; 155.913602000 | 511.7 | 34.7 | 35 |
| Solomon Sea |
| Markham | 6°44′44.473″S 146°58′12.987″E / 6.74568694°S 146.97027417°E / -6.74568694; 146.97027417 | 12,712 | 385 | 180 |
| Musa | 9°4′27.7752″S 148°53′1.0644″E / 9.074382000°S 148.883629000°E / -9.074382000; 148.883629000 | 6,029 | 262 | |
| Waria | 7°49′21.608″S 147°40′52.370″E / 7.82266889°S 147.68121389°E / -7.82266889; 147.68121389 | 3,920.2 | 219.8 | |
| Mambare | 8°3′9.822″S 148°0′26.271″E / 8.05272833°S 148.00729750°E / -8.05272833; 148.00729750 | 3,509.1 | 265.9 | 220 |
| Kumusi | 8°28′47.285″S 148°13′38.445″E / 8.47980139°S 148.22734583°E / -8.47980139; 148.22734583 | 2,726.7 | 188.4 | 167 |
| Mongi | 6°42′40.883″S 147°35′59.376″E / 6.71135639°S 147.59982667°E / -6.71135639; 147.59982667 | 1,649.1 | 92.7 | 73 |
| Gira | 8°0′8.001″S 147°57′27.047″E / 8.00222250°S 147.95751306°E / -8.00222250; 147.95751306 | 1,379.7 | 96.5 | |
| Busu | 6°43′44″S 147°03′05″E / 6.72889°S 147.05139°E / -6.72889; 147.05139 | 1,311.32 | 50 | 75 |
| Ruaba | 9°48′5.9724″S 149°44′4.704″E / 9.801659000°S 149.73464000°E / -9.801659000; 149.73464000 | 1,107.1 | 32.1 | |
| Bariji | 9°5′9.8052″S 148°38′15.4428″E / 9.086057000°S 148.637623000°E / -9.086057000; 148.637623000 | 1,034.9 | 47.9 | |
| Mevelo | 4°58′21.4932″S 151°58′41.8116″E / 4.972637000°S 151.978281000°E / -4.972637000; 151.978281000 | 936.8 | 77.3 | |
| Esis | 5°30′42.5628″S 151°40′10.3944″E / 5.511823000°S 151.669554000°E / -5.511823000; 151.669554000 | 911.8 | 129.6 | |
| Warangoi | 4°30′38.1996″S 152°20′7.1556″E / 4.510611000°S 152.335321000°E / -4.510611000; 152.335321000 | 882.9 | 26.5 | |
| Ania | 6°1′17.1156″S 150°47′48.5376″E / 6.021421000°S 150.796816000°E / -6.021421000; 150.796816000 | 862 | 88 | |
| Johanna | 6°17′1.2048″S 150°0′25.3296″E / 6.283668000°S 150.007036000°E / -6.283668000; 150.007036000 | 818.3 | 80.1 | |
| Bitoi | 7°12′46.106″S 147°8′11.866″E / 7.21280722°S 147.13662944°E / -7.21280722; 147.13662944 | 762.2 | 20.6 | 44.8 |
| Paiawa | 7°32′12.660″S 147°22′40.907″E / 7.53685000°S 147.37802972°E / -7.53685000; 147.37802972 | 727 | 30 | |
| Eia | 7°56′17.556″S 147°48′11.395″E / 7.93821000°S 147.80316528°E / -7.93821000; 147.80316528 | 723.1 | 48.9 | |
| Ope | 8°18′30.651″S 148°12′21.352″E / 8.30851417°S 148.20593111°E / -8.30851417; 148.20593111 | 713.3 | 51.5 | |
| Pulie | 6°5′10.3632″S 149°10′45.4188″E / 6.086212000°S 149.179283000°E / -6.086212000; 149.179283000 | 697 | 44.8 | |
| Alimbit | 6°8′22.9082″S 149°29′30.4548″E / 6.139696722°S 149.491793000°E / -6.139696722; 149.491793000 | 658 | 52.4 | |
| Awio | 6°14′30.7212″S 150°9′32.8932″E / 6.241867000°S 150.159137000°E / -6.241867000; 150.159137000 | 626.7 | 69.7 | |
| Torlu | 5°51′52.542″S 151°17′15.81″E / 5.86459500°S 151.2877250°E / -5.86459500; 151.2877250 | 603.2 | 66 | |
| Yupuru | 9°32′39.5592″S 149°22′43.716″E / 9.544322000°S 149.37881000°E / -9.544322000; 149.37881000 | 522.2 | 21.7 | |
| Jaba | 6°23′51.7776″S 155°11′52.6056″E / 6.397716000°S 155.197946000°E / -6.397716000; 155.197946000 | 515.6 | 44 | 50 |
| Frisco | 7°4′24.368″S 147°2′57.512″E / 7.07343556°S 147.04930889°E / -7.07343556; 147.04930889 | 508.5 | 15.4 | |
| Melkoi | 5°57′51.012″S 151°6′39.1536″E / 5.96417000°S 151.110876000°E / -5.96417000; 151.110876000 | 494.8 | 53.2 | |
| Itni | 5°50′0.8016″S 148°33′18.1728″E / 5.833556000°S 148.555048000°E / -5.833556000; 148.555048000 | 454.3 | 24.7 | |
| Mape | 6°35′16.210″S 147°49′25.820″E / 6.58783611°S 147.82383889°E / -6.58783611; 147.82383889 | 452.8 | 29.5 | |
| Andru | 6°16′42.6936″S 149°48′25.416″E / 6.278526000°S 149.80706000°E / -6.278526000; 149.80706000 | 447 | 38.2 | |
| Girua | 8°36′55.8252″S 148°18′57.3229″E / 8.615507000°S 148.315923028°E / -8.615507000; 148.315923028 | 414.5 | 24.9 | |
| Bergberg | 5°30′48.0312″S 151°41′32.9712″E / 5.513342000°S 151.692492000°E / -5.513342000; 151.692492000 | 404.4 | 57.6 | |
| Amgen | 6°13′29.244″S 150°28′51.0672″E / 6.22479000°S 150.480852000°E / -6.22479000; 150.480852000 | 390.6 | 46.4 | |
| Bairaman | 5°45′48.1428″S 151°23′33.7236″E / 5.763373000°S 151.392701000°E / -5.763373000; 151.392701000 | 364 | 41.9 | |
| Adi | 5°56′42.7416″S 148°50′47.9652″E / 5.945206000°S 148.846657000°E / -5.945206000; 148.846657000 | 361.8 | 18.8 | |
| Wunung | 5°36′25.4232″S 151°27′35.4528″E / 5.607062000°S 151.459848000°E / -5.607062000; 151.459848000 | 315.1 | 38.4 | |
| Kamdaru | 4°11′58.3476″S 152°40′49.5588″E / 4.199541000°S 152.680433000°E / -4.199541000; 152.680433000 | 287.5 | 14.7 | |
| Weitin | 4°37′18.1956″S 153°1′42.5244″E / 4.621721000°S 153.028479000°E / -4.621721000; 153.028479000 | 283.5 | 12.1 | |
| Pailima | 6°17′6.9144″S 149°39′34.8984″E / 6.285254000°S 149.659694000°E / -6.285254000; 149.659694000 | 268.7 | 22.1 | |
| Galowe | 5°31′17.3028″S 151°28′58.5696″E / 5.521473000°S 151.482936000°E / -5.521473000; 151.482936000 | 214.8 | 30.3 | |
| Tigul | 5°32′26.0088″S 151°51′52.3728″E / 5.540558000°S 151.864548000°E / -5.540558000; 151.864548000 | 185.9 | 25.4 | |
| Matali | 5°31′10.1424″S 151°30′38.5092″E / 5.519484000°S 151.510697000°E / -5.519484000; 151.510697000 | 173.9 | 24.2 | |
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