| igo | iseb1246 | Isebe | N,
M,
C,
M,
G,
Panim-Isebe-Bau | 350 |
| isa | isab1240 | Isabi | N,
K,
G,
Unclassified Goroka | 282 |
| bon | irup1239 | Bine (Drageli Dialect) | E,
Bine | 147 |
| bon | irup1239 | Bine (Irupi Dialect) | E,
Bine | 153 |
| ire | ires1239 | Yeresiam | A,
M,
C,
E,
S,
W,
C,
Iresim | 16 |
| irh | irar1238 | Irarutu | A,
M,
T,
E,
Nabi-Irarutu | 50 |
| ipi | ipil1240 | Ipili | N,
E,
Engan | 96 |
| ipo | ipik1244 | Ipiko | A,
Inland Gulf of Papua | 113 |
| ino | inok1238 | Inoke-Yate | N,
K,
G,
N,
S,
Kamano-Yagaria | 252 |
| oin | ineb1235 | One, Inebu | N,
W,
O,
Central-Northern One | 46 |
| 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 |
| mgu | ilai1239 | Mailu (Ilai Dialect) | M,
Mailu | 273 |
| ihp | ihaa1241 | Iha | W,
Nuclear West Bomberai | 41 |
| tmu | iauu1242 | Iau | L,
T,
Central Tariku | 262 |
| ian | iatm1242 | Iatmul (Sawos Dialect) | N,
N,
S,
Iatmulic | 18 |
| ian | iatm1242 | Iatmul (Korogo Dialect) | N,
N,
S,
Iatmulic | 137 |
| ian | iatm1242 | Iatmul (Tambanam Dialect) | N,
N,
S,
Iatmulic | 139 |
| ian | iatm1242 | Iatmul (Brugnowi Dialect) | N,
N,
S,
Iatmulic | 137 |
| ian | iatm1242 | Iatmul | N,
N,
S,
Iatmulic | 43 |
| ian | iatm1242 | Iatmul (Kanganaman Dialect) | N,
N,
S,
Iatmulic | 129 |
| gdr | iame1239 | Wipi (Iamega Dialect) | Eastern Trans-Fly | 97 |
| 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 |
| 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 |
| ygr | huaa1250 | Yagaria (Hua Dialect) | T,
K,
G,
Kamano-Yagaria | 92 |
| goi | honi1245 | Gobasi (Honibo Dialect) | E,
K,
Gobasi | 199 |
| hmo | hiri1237 | Hiri Motu | P,
Motu-based pidgin | 155 |
| ygr | hira1246 | Yagaria (Hira Dialect) | T,
K,
G,
Kamano-Yagaria | 283 |
| auk | heyo1240 | Heyo | N,
N,
Heyo-Yahang | 38 |
| had | hata1243 | Hatam | Hatam-Mansim | 40 |
| had | hata1243 | Hatam (Borai Dialect) | Hatam-Mansim | 40 |
| tmd | haru1245 | Haruai (Wiyaw Dialect) | Piawi | 113 |
| tmd | haru1245 | Haruai | Piawi | 116 |
| hmt | hamt1247 | Hamtai | A,
N,
Kapau-Menya | 105 |
| kyo | hale1239 | Klon (Halerman Dialect) | T,
A,
N,
W,
Klon | 120 |
| dah | gwah1244 | Gwahatike (Dahating Dialect) | N,
F,
F,
Warup | 1 |
| gsn | gusa1246 | Gusan | N,
F,
F,
E,
Finungwan-Mamaa-Gusan | 56 |
| gmu | guma1255 | Gumalu | N,
M,
C,
M,
Gum | 349 |
| gdr | guia1241 | Wipi (Guiam Dialect) | Eastern Trans-Fly | 85 |
| ghs | guhu1244 | Guhu-Samane (Tahari Dialect) | N,
Greater Binanderean | 54 |
| ghs | guhu1244 | Guhu-Samane | N,
Greater Binanderean | 126 |
| grs | gres1240 | Gresi | N,
O,
M,
Gresi-Kemtuik | 40 |
| grea1275 | Proto-Awyu | N,
A,
Awyu-Ok | 318 |
| kbk | gras1249 | Grass Koiari | K,
K,
Koita-Koiari | 191 |
| goro1272 | Proto-Eastern-Central | N,
Kainantu-Goroka | 76 |
| goro1272 | Proto-Goroka | N,
Kainantu-Goroka | 1 |
| ggw | gogo1265 | Gogodala | S,
Gogodalic | 105 |
