| oia | oira1263 | Oirata | T,
E,
Fataluku-Oirata | 233 |
| oin | ineb1235 | One, Inebu | N,
W,
O,
Central-Northern One | 46 |
| okv | orok1269 | Orokaiva | N,
G,
B,
N,
S,
Orokaivic | 93 |
| okv | orok1269 | Orokaiva (Sose Dialect) | N,
G,
B,
N,
S,
Orokaivic | 400 |
| okv | orok1269 | Orokaiva (Jegasa-Sarau Dialect) | N,
G,
B,
N,
S,
Orokaivic | 123 |
| okv | orok1269 | Orokaiva (Kendata Dialect) | N,
G,
B,
N,
S,
Orokaivic | 87 |
| okv | orok1269 | Orokaiva (Sairope Dialect) | N,
G,
B,
N,
S,
Orokaivic | 83 |
| okv | orok1269 | Proto-Orokaiva | T,
G,
B,
N,
S,
Orokaivan | 16 |
| okv | orok1269 | Orokaiva (Waseda Dialect) | N,
G,
B,
N,
S,
Orokaivic | 0 |
| okv | orok1269 | Orokaiva (Jegarata-Kakendetta Dialect) | N,
G,
B,
N,
S,
Orokaivic | 91 |
| okv | orok1269 | Orokaiva (Dobuduru Dialect) | N,
G,
B,
N,
S,
Orokaivic | 204 |
| okv | orok1269 | Orokaiva (Para Harava Dialect) | N,
G,
B,
N,
S,
Orokaivic | 80 |
| omo | utar1238 | Utarmbung | T,
M,
S,
J,
Osum | 338 |
| omw | sout2943 | Tairora, South | T,
K,
K,
Tairora | 162 |
| ong | oloo1241 | Olo | N,
W,
C,
W,
A,
Olo-Elkei | 46 |
| oni | onin1245 | Onin | A,
M,
T,
N,
Y,
Oninic | 10 |
| onn | onob1238 | Onabasulu | B,
Bosavi Watershed | 197 |
| ons | onoo1246 | Ono | N,
F,
H,
E,
Kalasa | 140 |
| ons | onoo1246 | Ono (Kip Dialect) | N,
F,
H,
E,
Kalasa | 59 |
| ons | onoo1246 | Ono (Zankoa Dialect) | N,
F,
H,
E,
Kalasa | 14 |
| ons | onoo1246 | Ono (Karako Dialect) | N,
F,
H,
E,
Kalasa | 12 |
| opm | oksa1245 | Oksapmin (Lower Dialect) | N,
A,
A,
Ok-Oksapmin | 95 |
| opm | oksa1245 | Oksapmin (Upper Dialect) | N,
A,
A,
Ok-Oksapmin | 30 |
| opo | opao1240 | Opao | E,
Western Eleman | 104 |
| oro | orok1267 | Orokolo (Kaipi Dialect) | E,
Western Eleman | 113 |
| oro | orok1267 | Orokolo | E,
Western Eleman | 112 |
| orz | ormu1248 | Ormu | A,
M,
E,
O,
W,
N,
S,
Jayapura Bay | 21 |
| owi | owin1240 | Owiniga | Left May | 308 |
| pas | papa1269 | Papasena | L,
T,
E,
Doutai-Kai-Waritai | 39 |
| pby | pyuu1245 | Pyu | Language isolate | 136 |
| pda | anam1247 | Anam | N,
M,
K,
S,
O,
Pomoikan | 353 |
| ped | mala1494 | Mala | N,
M,
C,
G,
N,
Kaukombaran | 347 |
| pep | kunj1246 | Kunja (Peremka Dialect) | Y,
M,
T,
Eastern Tonda | 0 |
| pin | piam1243 | Piame | S,
S,
W,
Hewa-April River | 0 |
| pla | mian1254 | Miani | N,
M,
C,
G,
N,
Kaukombaran | 341 |
| pmo | pomm1237 | Pom | A,
M,
E,
S,
C,
Y,
C,
Central Yapen | 50 |
| pmr | payn1244 | Paynamar | N,
M,
K,
S,
S,
A,
Greater West Sogeram | 335 |
| pnn | pina1252 | Pinai-Hagahai | Piawi | 33 |
| pnn | pina1252 | Pinai-Hagahai (Wakadadap Dialect) | Piawi | 130 |
| pnn | pina1252 | Pinai-Hagahai (Nangenuwetan Dialect) | Piawi | 117 |
| pnn | pina1252 | Pinai-Hagahai (Aramo Dialect) | Piawi | 114 |
| pnr | pani1258 | Panim | N,
M,
C,
M,
G,
Panim-Isebe-Bau | 355 |
| ppe | papi1255 | Papi | S,
S,
Papi | 107 |
| ppm | papu1251 | Papuma | A,
M,
E,
S,
C,
Y,
C,
Central Yapen | 37 |
| ppo | sope1239 | Folopa (Sopese Dialect) | T,
Folopa | 92 |
| ppo | suri1271 | Folopa (Suri Dialect) | T,
Folopa | 99 |
| ppo | boro1278 | Folopa (Bɔro Dialect) | T,
Folopa | 100 |
| ppo | tebe1252 | Tebera | T,
Teberan | 99 |
| ppt | pare1271 | Pare | K,
Elevala | 255 |
| prm | kibi1239 | Kibiri | T,
Kiwaian | 101 |
