| ggl | gang1270 | Ganglau | N,
M,
R,
Yaganon | 336 |
| ggw | gogo1265 | Gogodala | S,
Gogodalic | 105 |
| ghs | guhu1244 | Guhu-Samane | N,
Greater Binanderean | 126 |
| ghs | guhu1244 | Guhu-Samane (Tahari Dialect) | N,
Greater Binanderean | 54 |
| gim | gimi1243 | Gimi | N,
K,
G,
N,
Fore-Gimi | 188 |
| gmu | guma1255 | Gumalu | N,
M,
C,
M,
Gum | 349 |
| goi | goba1246 | Gobasi (Bibo Dialect) | E,
Kubo-Samo-Bibo | 145 |
| goi | goba1246 | Gobasi | E,
Kubo-Samo-Bibo | 100 |
| goi | oiba1238 | Gobasi (Oibae Dialect) | E,
K,
Gobasi | 100 |
| goi | honi1245 | Gobasi (Honibo Dialect) | E,
K,
Gobasi | 199 |
| gop | yere1243 | Yeretuar | A,
M,
C,
E,
S,
W,
C,
Yeretuar | 19 |
| grg | madi1261 | Madi | N,
F,
F,
G,
Gira-Neko-Nekgini | 57 |
| grs | gres1240 | Gresi | N,
O,
M,
Gresi-Kemtuik | 40 |
| gsn | gusa1246 | Gusan | N,
F,
F,
E,
Finungwan-Mamaa-Gusan | 56 |
| gyb | garu1246 | Garus (Em Dialect) | N,
M,
C,
M,
H,
Rempic | 0 |
| gyb | garu1246 | Garus | N,
M,
C,
M,
H,
Rempic | 354 |
| gyb | garu1246 | Garus (A'é Dialect) | N,
M,
C,
M,
H,
Rempic | 0 |
| gyb | garu1246 | Garus (Ate Dialect) | N,
M,
C,
M,
H,
Rempic | 0 |
| had | hata1243 | Hatam | Hatam-Mansim | 40 |
| had | hata1243 | Hatam (Borai Dialect) | Hatam-Mansim | 40 |
| hih | pamo1253 | Pamosu | N,
M,
C,
G,
N,
K,
T,
Nuclear Tibor | 320 |
| hkk | hunj1241 | Hunjara-Kaina Ke (Kokoda Dialect) | N,
G,
B,
N,
S,
Orokaivic | 82 |
| hkk | hunj1241 | Hunjara-Kaina Ke | N,
G,
B,
N,
S,
Orokaivic | 388 |
| hmo | hiri1237 | Hiri Motu | P,
Motu-based pidgin | 155 |
| hmt | hamt1247 | Hamtai | A,
N,
Kapau-Menya | 105 |
| huf | hume1246 | Humene | K,
Humene-Kwale | 255 |
| hui | huli1244 | Huli | N,
E,
Kewa-Huli | 254 |
| hul | hula1239 | Hula | A,
M,
E,
O,
W,
P,
P,
C,
S,
Hula-Keapara | 280 |
| ian | iatm1242 | Iatmul (Brugnowi Dialect) | N,
N,
S,
Iatmulic | 137 |
| ian | iatm1242 | Iatmul (Tambanam Dialect) | N,
N,
S,
Iatmulic | 139 |
| ian | iatm1242 | Iatmul (Korogo Dialect) | N,
N,
S,
Iatmulic | 137 |
| ian | iatm1242 | Iatmul | N,
N,
S,
Iatmulic | 43 |
| ian | iatm1242 | Iatmul (Sawos Dialect) | N,
N,
S,
Iatmulic | 18 |
| ian | iatm1242 | Iatmul (Kanganaman Dialect) | N,
N,
S,
Iatmulic | 129 |
| iar | pura1257 | Purari | T,
E,
Purari | 100 |
| igm | kang1291 | Kanggape | R,
G,
A,
Tangu-Igom | 60 |
| igo | iseb1246 | Isebe | N,
M,
C,
M,
G,
Panim-Isebe-Bau | 350 |
| ihp | ihaa1241 | Iha | W,
Nuclear West Bomberai | 41 |
| imi | anam1248 | Anamgura | N,
M,
K,
S,
O,
P,
Anamuxric | 348 |
| ind | indo1316 | Bahasa Indonesia | A,
M,
M,
M,
N,
Standard Malay-Indonesian | 122 |
| ind | indo1316 | Indonesian | A,
M,
M,
M,
N,
Standard Malay-Indonesian | 232 |
| ino | inok1238 | Inoke-Yate | N,
K,
G,
N,
S,
Kamano-Yagaria | 252 |
| iou | tuma1250 | Tuma-Irumu (Irumu Dialect) | T,
F,
F,
Wantoat | 52 |
| ipi | ipil1240 | Ipili | N,
E,
Engan | 96 |
| ipo | ipik1244 | Ipiko | A,
Inland Gulf of Papua | 113 |
| ire | ires1239 | Yeresiam | A,
M,
C,
E,
S,
W,
C,
Iresim | 16 |
| irh | irar1238 | Irarutu | A,
M,
T,
E,
Nabi-Irarutu | 50 |
| irx | kamb1302 | Kamberau | N,
A,
A,
Sabakor | 40 |
| isa | isab1240 | Isabi | N,
K,
G,
Unclassified Goroka | 282 |
| itr | iter1241 | Iteri | L,
W,
Iteri-Bo | 80 |
