| nxx | nafr1241 | Nafri | S,
N,
Sentani-Nafri | 41 |
| nxu | kaur1271 | Narau | Kaure-Kosare | 12 |
| nxr | ning1274 | Ninggerum | N,
A,
A,
O,
O,
Lowland Ok | 82 |
| nux | mehe1243 | Mehek | S,
S,
Mehek-Pahi | 45 |
| nud | ngal1300 | Ngala | Ndu | 41 |
| nqm | ndom1245 | Ndom | Kolopom | 44 |
| nou | yega1243 | Ewage-Notu (Yega Dialect) | N,
G,
B,
N,
S,
C,
Ewage-Notu | 0 |
| nou | ewag1241 | Ewage-Notu | N,
G,
B,
N,
S,
Coastal Binanderean | 374 |
| nop | numa1254 | Numanggang | N,
F,
F,
E,
Boana | 55 |
| nop | numa1254 | Numanggang (Tumung Dialect) | N,
F,
F,
E,
Boana | 80 |
| nop | numa1254 | Numanggang (Kawalang Dialect) | N,
F,
F,
E,
Boana | 74 |
| noh | nomu1240 | Nomu | N,
F,
H,
W,
C,
Dallman | 57 |
| noc | nukk1240 | Nuk | N,
F,
F,
E,
B,
Nek-Nuk | 57 |
| noc | nukk1240 | Nuk (Tunam Dialect) | N,
F,
F,
E,
B,
Nek-Nuk | 111 |
| noc | nukk1240 | Nuk (Tamben Dialect) | N,
F,
F,
E,
B,
Nek-Nuk | 112 |
| nnm | nami1256 | Namia | S,
Yellow River | 90 |
| nnk | nank1250 | Nankina | N,
F,
F,
Yupna | 59 |
| nnf | ngai1241 | Ngaing | N,
F,
F,
G,
Unclassified Gusap-Mot | 55 |
| nlc | nalc1240 | Nalca | N,
M,
Western Mek | 41 |
| nks | nort2917 | Asmat, North | N,
A,
A,
Asmat | 27 |
| nks | nort2917 | Asmat, North (Weyo Dialect) | N,
A,
A,
Asmat | 1 |
| nks | nort2917 | Asmat, North (Pupis Dialect) | N,
A,
A,
Asmat | 58 |
| nks | nort2917 | Asmat, North (Ti Dialect) | N,
A,
A,
Asmat | 31 |
| nks | nort2917 | Asmat, North (Momogo Dialect) | N,
A,
A,
Asmat | 110 |
| nks | nort2917 | Asmat, North (Irogo Dialect) | N,
A,
A,
Asmat | 39 |
| nkj | naka1265 | Nakai | N,
A,
A,
O,
O,
Tangko-Nakai | 215 |
| nkg | nekg1240 | Nekgini | N,
F,
F,
G,
Gira-Neko-Nekgini | 54 |
| niz | ning1273 | Ningil | N,
W,
C,
W,
Ningil-Yil | 41 |
| niw | nimo1247 | Nimo | L,
W,
Nimo-Nakwi | 176 |
| nis | nimi1240 | Nimi | N,
F,
F,
E,
Sauk-Nimi | 55 |
| nir | nucl1633 | Nimboran | Nimboranic | 40 |
| nif | nekk1240 | Nek (Goambot Dialect) | N,
F,
F,
E,
B,
Nek-Nuk | 113 |
| nif | nekk1240 | Nek | N,
F,
F,
E,
B,
Nek-Nuk | 56 |
| nib | naka1264 | Nakame | N,
F,
F,
E,
Boana | 52 |
| nib | naka1264 | Nakame (Munguleng Dialect) | N,
F,
F,
E,
Boana | 137 |
| nib | naka1264 | Nakame (Wasin Dialect) | N,
F,
F,
E,
Boana | 119 |
| nib | naka1264 | Nakame (Sikalan Dialect) | N,
F,
F,
E,
Boana | 119 |
| nib | naka1264 | Nakame (Gufin Dialect) | N,
F,
F,
E,
Boana | 77 |
| nib | naka1264 | Nakame (Dzenzen Dialect) | N,
F,
F,
E,
Boana | 123 |
| nib | naka1264 | Nakame (Popof Dialect) | N,
F,
F,
E,
Boana | 128 |
| nib | naka1264 | Nakame (Sokan Dialect) | N,
F,
F,
E,
Boana | 119 |
| net | nete1240 | Nete | N,
E,
E,
Outer Enga | 29 |
| ner | yaha1248 | Yahadian | T,
S,
Konda-Yahadian | 41 |
| nej | neko1240 | Neko | N,
F,
F,
G,
Gira-Neko-Nekgini | 33 |
| nec | nede1245 | Nedebang | T,
A,
N,
W,
Pantar | 122 |
| ncm | namb1293 | Nambu (Keraki Dialect) | Y,
M,
Nambu | 1 |
| ncm | namb1293 | Nambu (Parb Dialect) | Y,
M,
Nambu | 1 |
| nce | yale1246 | Nagatiman | Isolate | 102 |
| nca | iyoo1238 | Iyo | N,
F,
F,
G,
Ufim-Rawa-Nahu | 51 |
| nbk | nake1240 | Nake | N,
M,
C,
M,
H,
Unclassified Hanseman | 370 |
