| 23428 | Paamese | kaie | | | Crowley (1982) | |
| 24813 | Paakantyi | ŋad̲u | | | Hercus (1982) | |
| 42025 | Orokolo | are | | | Brown (1972) | |
| 44641 | Old Hittite | ɑpɑ̄š | The form 'ɑpɑš' is also listed (Hoffner Jr and Melcher 2008:133-4). | | Hoffner Jr and Melcher (2008) | |
| 39939 | Oksapmin | ux | | | Loughnane (2009) | |
| 27593 | Occitan | çò | | | Wheeler (1988b) | |
| 52486 | Ocaina | i̙ha̙ | | | Rosselli (2000) | |
| 25705 | Nyulnyul | kiɲiŋk | | | McGregor (2011) | |
| 28626 | Nyawaygi | ñaŋga | | | Dixon (1983) | |
| 61842 | Numanggang | adi | | | Hynum (2010) | |
| 53620 | Nukak Makú | kaanʔ | | | Bolaños and Epps (2009) | |
| 50781 | Nothern Sotho | lɔna | | | Lourwrens el al. (1995) | |
| 49161 | North Marquesan | iɑ | | | Cablitz (2006) | |
| 43922 | North Levantine Arabic (Damascene Dialect) | hijːe | | | Cowell (1964) | |
| 46273 | Northern Pumi (Northwest Yunnan Dialect) | ni˥˩ | | | Ding (2014) | |
| 53333 | Northern Embera | iǰi | | | Pardo and Aguirre (1993) | |
| 58928 | Noone | wvu˩ | | | Hyman (1981) | |
| 51261 | Noon | wɪ | | | Soukka (2000) | |
| 58645 | Nizaa | ŋu˧ | | | Kjelsvik (2002) | |
| 43573 | Nigerian Pidgin | im | | | Faraclas (1996) | |
| 47597 | Nhanda | ala | | | Blevins (2001) | |
| 22711 | Ngkolmpu | pi | | | Carroll (2013) | |
| 23205 | Ngiyambaa | =naN- | | | Donaldson (1980) | |
| 23204 | Ngiyambaa | =niN- | | | Donaldson (1980) | |
| 60089 | ngiti_ICR_WB | ka, kà, yàdhíyà | | | Kutsch Lojenga, Constance. (1994) | |
| 60651 | ngiti_ICR_TCC | ka | | | Lojenga, Constance Kutsch (1994) | |
| 59945 | Ngiti-ICR-LB | ka, kà, ɨ́yàdhíyà | | | Kutsch Lojenga (1994) | |
| 56923 | Ngbandi | lo˩ | | | Toronzoni (1989) | |
| 46177 | Ngarinman (Bilinara (Pilinara) Dialect) | ɲandu | | | Meakins and Nordlinger (2014) | |
| 28350 | Ngankikurungkurr | ŋayim | | | Hoddinott and Kofod (1988) | |
| 35484 | Ngandi | ṇawan | | | Heath (1978) | |
| 22983 | Ngalakan | jiɲjaʔ | | | Merlan (1983) | |
| 46321 | Neverver | ei | | | Barbour (2012) | |
| 61698 | Neve'ei | i | | | Musgrave (2007) | |
| 22184 | Nen | bä | | | Evans (2013) | |
| 35960 | Nen | bä | | | Evans (2013) | |
| 26132 | Neme | bæ | | | Evans (2012) | |
| 43730 | Ndyuka | a | | | Huttar and Huttar (1994) | |
| 55705 | Ndut | ɗi, ri | | | Morgan (1996) | |
| 46601 | Ndom | ɛf | | | Boelaars (1950) | |
| 29113 | Ndjébbana | ŋayábba | | | McKay (2000) | |
| 56647 | Nawuri | kə̀ | | | Sherwood (1982) | |
| 58359 | Nateni | nɩ˩ | | | Neukom (1995) | |
| 59697 | Namo (Tais Dialect) | fæ | | | Evans et al (2017) | |
| 41697 | Namia | eko | | | Feldpausch and Feldpausch (1992) | |
| 22326 | Nambu | bä | | | Evans (2013) | |
| 59601 | Nama | ɸæ | | | Evans et al (2017) | |
| 53381 | Nadëb | ta- | | | Bolaños and Epps (2009) | |
| 30435 | Nabak | ek | | | Fabian et al. (1998) | |
| 47877 | Mussau-Emira | e= | | | Lynch et al. (2002) | |
