| Language (ISO 639-3 code) | Lexicon or Wordlist Source |
| Ibibio (ibb) | Brunett, Amy. 2010. Ibibio Lexicon: Food & Parts of the Body. |
| Ignaciano (ign) | Intercontinental Dictionary Series 2006 |
| Imbabura Quechua (qvi) | Loanword Typology Database 2009 |
| Indonesian (ind) | Loanword Typology Database 2009 |
| Iraqw (irk) | Loanword Typology Database 2009 |
| Irish (Old) (sga) | Intercontinental Dictionary Series 2006 |
| Italian (ita) | Intercontinental Dictionary Series 2006 |
| Itonama (ito) | Intercontinental Dictionary Series 2006 |