Icelandic (Iceland) Nei
Icetot (Uganda) Ntondo
Ido (international use) No
[Ik, see Icetot]
Ilokano [Ilocano] (Philippines) Saan
Ilokano [Ilocano] (Philippines) Haan
Indo-European (old Europe) Ne
Indonesian (Indonesia, Suriname) Tidak
Indonesian (Indonesia) [informal] ndak
Indonesian (Indonesia) [informal] nggak
Indonesian (Indonesia) [informal] kagak
Indonesian (Indonesia) [don't] Jangan
Indonesian (Indonesia) [not yet] Belum
Indonesian (Indonesia) [for things] Bukan
Ingush (Russia) Aa
Innu (Quebec Canada) Maawaach
Interlingua (constructed) No
Interlingua (constructed) Non
Inuktitut (Canada, Alaska) Naaga
Inuktitut (Canada) Naamik
Inuktitut (Canada) Aagaa
Inuktitut (Baffin Island Canada) Aakka
Inuktitut (Alaska) Naagga
Inuktitut (Alaska) Naaka
Inuttut [Greenlandic] (Greenland) Naamik
Irish (Ireland) [it isn't] Ní hea
Ishkashmi (Tajikistan) No
Ishkashmi (Tajikistan) Ne
Italian (Central Europe, E Africa) No
Itbayaten (Batanes Philippines) Engga
Itzá (Mexico) Ma'
Ivasayen (Batanes Philippines) Omba
Ixcatec (Mexico) 'A
Ixcatec (Mexico) Na
Izoceno [Tapii] (Bolivia) Ani
Ixil (Guatemala) Ye'

Jacaltec (Guatemala) Mach
Jacaru [Jaqaru] (South America) Isha
Japanese (Japan) Iie
Japanese [Kumamoto] (Japan) Nne
Japanese [Kyo Kotoba] (Kyoto Japan) Iya
Japanese [Sendaiben] (Sendai Japan) Yanda
Japanese [Tosaben] (Shikoku Japan) Ingeno
Javanese (Indonesia) [high Javanese] Mboten
Javanese (Indonesia) Ora
Javanese (Indonesia) [for things: not] Sanes
Jèrriais (Jersey) Nannîn
Juaneño (Southern California USA) Kayon