| 48728 | Kiowa | óíde | | | Adger et al. (2008) | |
| 42312 | Kiwai, Northeast | nu | | | Brown (2009) | |
| 42360 | Kiwai, Southern | noroai | | | Ray (1907) | |
| 27384 | Klon | g-, go-, gin=, ge- | | | Baird (2008) | |
| 59777 | Klon | gin= | | | Baird (2008) | |
| 38635 | Klon | g- | | | Baird (2008) | |
| 59783 | Klon | ge- | | | Baird (2008) | |
| 59771 | Klon | go- | | | Baird (2008) | |
| 43825 | Koasati | ibisnón | | | Kimball (1991) | |
| 29955 | Kobon | nɨp | | | Davies (1981) | |
| 29954 | Kobon | ne | | | Davies (1981) | |
| 29953 | Kobon | nipe | | | Davies (1981) | |
| 39131 | Kobon | nɨp | | | Davies (1981) | |
| 34887 | Kodeoha | iee | | | Mead (1999) | |
| 42408 | Koitabu | au | | | Dutton (1975) | |
| 41838 | Kokoda | nigómo | | | de Vries (2004) | |
| 48584 | Kokota | 0 | | | Palmer (2009) | |
| 57210 | Kolbila | -bò | | | Littig (2009) | |
| 31611 | Kombai | khe | | | de Vries (1993) | |
| 40684 | Kombio | kil | | | Henry (1992) | |
| 24070 | Komnzo | ɸi | | | Doehler () | |
| 57642 | Konni | ka | | | Cahill (1999) | |
| 51596 | Koromfe | gʊkɔ | | | Rennison (1997) | |
| 39326 | Korowai | yup | | | van Enk and de Vries (1997) | |
| 29508 | Korowai | yakhata | | | van Enk and de Vries (1997) | |
| 29507 | Korowai | yu | | | van Enk and de Vries (1997) | |
| 29506 | Korowai | yup | | | van Enk and de Vries (1997) | |
| 53763 | Kotiria | tíkóró | | | Waltz and Waltz (2000) | |
| 45072 | Koya | daːninni | form needs checking | | Tyler (1969) | |
| 28978 | Kristang | ku e | | | Baxter (1988) | |
| 28147 | Kuku Yalanji | ñuŋuñ | | | Patz (2002) | |
| 58026 | Kulango, Bouna | -gɛ | | | Elders (2008) | |
| 42168 | Kunimaipa | pi | | | Geary (1977) | |
| 24202 | Kunja / Bondobol | ɸɪ | | | Doehler spreadsheet | |
| 55656 | Kupang Malay | dia | | | Jacob and Grimes (2006) | |
| 44928 | Kurukh | aːdin | | | Hahn (1911) | |
| 62166 | Kuuk Thaayorre | nhunh | | | Gaby (2006) | |
| 62262 | Kuuku Ya'u | ngungaana | | | Thompson (1988) | |
| 50588 | Kwamera | in | | | Lindstrom and Lynch (1994) | |
| 58596 | Kwanja (Njanga Dialect) | wu˧ | | | Robson (2011) | |
| 44784 | Kwaza | ĩ | | | van der Voort (2004) | |
| 27031 | Kwini | wini | | | McGregor (1993) | |
| 41380 | Kwoma | siitana | | | Kooyers (1974) | |
| 32287 | Lampung | ia, beliaw(an) | | | Walker (1976) | |
| 22395 | Lardil | niween | | | Ngakulmungan Kangka Leman (1997) | |
| 24270 | Latin | id | | | Kennedy (1952) | |
| 56502 | Lelemi | nì | | | Allan (1973) | |
| 47732 | Lelepa | - | | | Lecrampe (2014) | |
| 44257 | Lepcha | hɯdom | | | Plaisier (2007) | |
| 34955 | Limilngan | layinijani | | | Harvey (2001) | |
