| 412 | Ket | Georg (2006) | Free |
| 650 | Keo (Udiworowatu Dialect) | Baird (2002) | |
| 624 | Kemedzung | Smoes (2010) | Free |
| 380 | Kele | Lynch et al. (2002) | Bound |
| 379 | Kele | Lynch et al. (2002) | Free |
| 4 | Kayardild | Evans (1995) | Free |
| 406 | Kawaiisu | Zigmond et al. (1990) | Free |
| 555 | Karon | Wilson (1961) | Free |
| 603 | Karaboro, Eastern | Wichser (1994) | Free |
| 245 | Kapriman | Sumbuk (1999) | |
| 402 | Kaonde | Wright (2008) | Free |
| 12 | Kannada | Steever (1997) | Free |
| 643 | Kánchá | Evans et al (2017) | |
| 262 | Kamula | Routamaa (1994) | |
| 149 | Kamoro: clean | Drabbe (1953) | Free |
| 229 | Kamasau | Sanders and Sanders (1996) | |
| 38 | Kalkutungu | Black (1979) | Free |
| 268 | Kalam | Pawley et al. (2000) | |
| 161 | Kala Lagaw Ya | Ford and Ober (1991) | Free |
| 508 | Kakua | Bolaños and Epps (2009) | |
| 261 | Kaki Ae | Clifton (1997) | |
| 387 | Kairiru | Lynch et al. (2002) | Bound |
| 386 | Kairiru | Lynch et al. (2002) | Free |
| 345 | Kaingang | Wiesemann (1972) | Free |
| 683 | Kafoa | Baird (ToAppear2017) | |
| 546 | Jola-Kasa (Husuy Dialect) | Wilson (2007) | Free |
| 62 | Jingulu | Pensalfini (2003) | Free |
| 145 | Javanese | Robson (1992) | |
| 45 | Jaru | Tsunoda (1988) | Free |
| 456 | Jarai | Jensen (2014) | Free |
| 377 | Jaminjung | Schultze-Berndt (2000) | Free |
| 341 | Jamamadí (Jarawara Dialect) | Dixon (2004) | Free |
| 415 | Jamaican Creole English (London Dialect) | Sutcliffe (1982) | Free |
| 626 | Izere (Fobur Dialect) | Lukas and Willms (1961) | Free |
| 423 | Iwaidja (Iwaidja Dialect) | Evans pc () | |
| 365 | Itza' | Hofling (2000) | Free |
| 26 | Italian | Evans () | Free |
| 222 | I'saka | Donohue and San Roque (2004) | |
| 325 | Iraqw | Nordbustad (1988) | Free |
| 400 | Iraqi Arabic | Erwin (1963) | Free |
| 343 | Inuktitut (West Greenlandic Dialect) | Fortescue (1984) | Free |
| 281 | Ingush | Nichols (2011) | Free |
| 480 | Inga | Levinsohn & Janasoy (2000) | |
| 649 | Indonesian (Standard Dialect) | Quinn () | |
| 396 | Indonesian (Colloquial Jakartan Dialect) | Sneddon (2006) | Free |
| 66 | Inanwatan | de Vries (2004) | Free |
| 536 | Igbo | Emenanjo (1987) | Free |
| 8 | Idi | Evans (2013) | Free |
| 157 | Ida'an | Goudswaard (2005) | Free |
| 666 | ICR-Welsh-RH | King (2005) | |
