| had | hata1243 | Hatam | Language isolate | 40 |
| had | hata1243 | Hatam (Borai Dialect) | Language isolate | 40 |
| auk | heyo1240 | Heyo | T,
M,
Maimai Proper | 38 |
| ygr | hira1246 | Yagaria (Hira Dialect) | T,
K,
G,
Kamano-Yagaria | 283 |
| hmo | hiri1237 | Hiri Motu | P,
Motu based | 155 |
| goi | honi1245 | Gobasi (Honibo Dialect) | T,
East Strickland | 199 |
| ygr | huaa1250 | Yagaria (Hua Dialect) | T,
K,
G,
Kamano-Yagaria | 92 |
| hul | hula1239 | Hula | A,
M,
C,
E,
O,
W,
P,
P,
C,
Sinagoro-Keapara | 280 |
| hui | huli1244 | Huli | T,
E,
Huli | 254 |
| huf | hume1246 | Humene | T,
S,
Kwalean | 255 |
| hkk | hunj1241 | Hunjara-Kaina Ke (Kokoda Dialect) | T,
G,
B,
N,
S,
Orokaivan | 82 |
| hkk | hunj1241 | Hunjara-Kaina Ke | T,
G,
B,
N,
S,
Orokaivan | 388 |
| gdr | iame1239 | Wipi (Iamega Dialect) | Eastern Trans-Fly | 97 |
| ian | iatm1242 | Iatmul (Tambanam Dialect) | S,
Ndu | 139 |
| ian | iatm1242 | Iatmul (Korogo Dialect) | S,
Ndu | 137 |
| ian | iatm1242 | Iatmul | S,
Ndu | 43 |
| ian | iatm1242 | Iatmul (Kanganaman Dialect) | S,
Ndu | 129 |
| ian | iatm1242 | Iatmul (Sawos Dialect) | S,
Ndu | 18 |
| ian | iatm1242 | Iatmul (Brugnowi Dialect) | S,
Ndu | 137 |
| tmu | iauu1242 | Iau | L,
T,
Central | 262 |
| ihp | ihaa1241 | Iha | T,
W,
W,
West Bomberai Proper | 41 |
| mgu | ilai1239 | Mailu (Ilai Dialect) | T,
S,
Mailuan | 273 |
| ind | indo1316 | Indonesian | A,
M,
M,
M,
Malay | 232 |
| ind | indo1316 | Bahasa Indonesia | A,
M,
M,
M,
Malay | 122 |
| oin | ineb1235 | One, Inebu | T,
W,
One | 46 |
| ino | inok1238 | Inoke-Yate | T,
K,
G,
Kamano-Yagaria | 252 |
| ipo | ipik1244 | Ipiko | T,
I,
Ipiko | 113 |
| ipi | ipil1240 | Ipili | T,
E,
Enga | 96 |
| irh | irar1238 | Irarutu | A,
M,
C,
E,
S,
South Halmahera | 50 |
| ire | ires1239 | Yeresiam | A,
M,
C,
E,
S,
W,
C,
Iresim | 4 |
| bon | irup1239 | Bine (Drageli Dialect) | Eastern Trans-Fly | 147 |
| bon | irup1239 | Bine (Irupi Dialect) | Eastern Trans-Fly | 153 |
| isa | isab1240 | Isabi | T,
K,
G,
Isabi | 282 |
| igo | iseb1246 | Isebe | T,
M,
C,
Gum | 350 |
| srl | isir1237 | Isirawa | T,
G,
Isirawa | 12 |
| mgu | isla1273 | Mailu (Island Dialect) | T,
S,
Mailuan | 273 |
| itr | iter1241 | Iteri | Left May | 80 |
| itr | iter1241 | Iteri (Rocky Peak Dialect) | Left May | 91 |
| itx | itik1240 | Itik | T,
O,
Tor | 37 |
| iwm | iwam1256 | Iwam | S,
Iwam | 94 |
| nca | iyoo1238 | Iyo | T,
F,
F,
Gusap-Mot | 51 |
| jil | jili1241 | Jilim | T,
M,
R,
Nuru | 331 |
| klz | kabo1247 | Kabola (Aimoli Dialect) | T,
W,
T,
A,
Alor | 125 |
| klz | kabo1247 | Kabola (Hamap Dialect) | T,
W,
T,
A,
Alor | 120 |
| kpu | kafo1240 | Kafoa | T,
W,
T,
A,
Alor | 117 |
| kct | kaia1245 | Kayan | R,
R,
O,
Watam | 64 |
| kain1273 | Proto-Kainantu-Goroka | T,
Kainantu-Goroka | 1 |
| kain1274 | Proto-Eastern | T,
Kainantu-Goroka | 48 |
| kain1274 | Proto-Kainantu | T,
K,
Kainantu | 1 |
| kzm | kais1235 | Kais | T,
S,
S,
Western | 40 |
