| italiano | ita-000 |
| Iowa | |
| toskërishte | als-000 | Iowa |
| Englisce sprǣc | ang-000 | Iowa |
| العربية | arb-000 | آيوا |
| العربية | arb-000 | ايوا |
| luenga aragonesa | arg-000 | Iowa |
| ISO 3166 alpha | art-006 | USA-IA |
| azərbaycanca | azj-000 | Ayova |
| বাংলা | ben-000 | আইওয়া |
| bosanski | bos-000 | Iowa |
| বিষ্ণুপ্রিয়া মণিপুরী ভাষা | bpy-000 | আইৱা |
| brezhoneg | bre-000 | Iowa |
| български | bul-000 | Айова |
| bălgarski ezik | bul-001 | Ajowa |
| bălgarski ezik | bul-001 | Iowa |
| català | cat-000 | Estat d’Iowa |
| català | cat-000 | Iowa |
| čeština | ces-000 | Iowa |
| чӑваш | chv-000 | Айова |
| 普通话 | cmn-000 | 依阿华州 |
| 普通话 | cmn-000 | 爱荷华 |
| 普通话 | cmn-000 | 艾奥瓦 |
| 普通话 | cmn-000 | 艾奥瓦州 |
| Hànyǔ | cmn-003 | Aìàohuá |
| Kernowek | cor-000 | Iowa |
| Cymraeg | cym-000 | Iowa |
| dansk | dan-000 | Iowa |
| Deutsch | deu-000 | Iowa |
| Zazaki | diq-000 | İowa |
| eesti | ekk-000 | Iowa |
| ελληνικά | ell-000 | Αϊόβα |
| English | eng-000 | Iowa |
| Esperanto | epo-000 | Iovao |
| Esperanto | epo-000 | Iovo |
| Iñupiat | esi-000 | Aioua |
| euskara | eus-000 | Iowa |
| suomi | fin-000 | Iowa |
| français | fra-000 | Iowa |
| lenga arpitana | frp-000 | Iowa |
| Gàidhlig | gla-000 | Iowa |
| Gaeilge | gle-000 | Iowa |
| galego | glg-000 | Iowa |
| kreyòl ayisyen | hat-000 | Ayowa |
| ʻōlelo Hawaiʻi | haw-000 | ‘Iowa |
| עברית | heb-000 | איווה |
| हिन्दी | hin-000 | आयोवा |
| hrvatski | hrv-000 | Iowa |
| magyar | hun-000 | Iowa |
| արևելահայերեն | hye-000 | Այովա |
| Ido | ido-000 | Iowa |
| íslenska | isl-000 | Iowa |
| 日本語 | jpn-000 | アイオワ州 |
| Nihongo | jpn-001 | Aiowa |
| कॉशुर | kas-001 | आयोवा |
| ქართული | kat-000 | აიოვა |
| Kartuli | kat-001 | aiova |
| Kurmancî | kmr-000 | Iowa |
| 한국어 | kor-000 | 아이오와 |
| 한국어 | kor-000 | 아이오와 주 |
| Ladino | lad-001 | Iowa |
| latine | lat-000 | Iova |
| lengua lígure | lij-000 | Iowa |
| Limburgs | lim-000 | Iowa |
| lietuvių | lit-000 | Ajova |
| latviešu | lvs-000 | Aiova |
| മലയാളം | mal-000 | ഐയവ |
| मराठी | mar-000 | आयोवा |
| македонски | mkd-000 | Ајова |
| Malti | mlt-000 | Ijowa |
| reo Māori | mri-000 | Iowa |
| Bân-lâm-gú | nan-005 | Iowa |
| Diné bizaad | nav-000 | Haʼaʼaahjí Dzígaii |
| Diné bizaad | nav-000 | Áawah hahoodzo |
| Plattdüütsch | nds-000 | Iowa |
| Nederlands | nld-000 | Iowa |
| nynorsk | nno-000 | Iowa |
| bokmål | nob-000 | Iowa |
| occitan | oci-000 | Iowa |
| ирон ӕвзаг | oss-000 | Айовæ |
| Amanung Sisuan | pam-000 | Iowa |
| فارسی | pes-000 | آیووا |
| فارسی | pes-000 | ایوا |
| lenga piemontèisa | pms-000 | Iowa |
| polski | pol-000 | Iowa |
| português | por-000 | Iowa |
| română | ron-000 | Iowa |
| русский | rus-000 | Iowa |
| русский | rus-000 | А́йова |
| русский | rus-000 | Айова |
| russkij | rus-001 | Ajowa |
| संस्कृतम् | san-000 | आयोवा |
| saṃskṛtam | san-001 | Āyovā |
| Žemaitiu | sgs-000 | Ajova |
| slovenčina | slk-000 | Iowa |
| slovenščina | slv-000 | Iowa |
| español | spa-000 | Iowa |
| српски | srp-000 | Ајова |
| srpski | srp-001 | Ajova |
| svenska | swe-000 | Iowa |
| தமிழ் | tam-000 | அயோவா |
| тоҷикӣ | tgk-000 | Айова |
| Tagalog | tgl-000 | Ayowa |
| ภาษาไทย | tha-000 | มลรัฐไอโอวา |
| ภาษาไทย | tha-000 | ไอโอว่า |
| Türkçe | tur-000 | Iowa |
| Uyghurche | uig-001 | Lowa |
| українська | ukr-000 | Iowa |
| українська | ukr-000 | Айова |
| اردو | urd-000 | آئیووا |
| oʻzbek | uzn-000 | Ayova |
| tiếng Việt | vie-000 | Iowa |
| Volapük | vol-000 | Iowa |
| ייִדיש | ydd-000 | אייאויווע |
| Bahasa Malaysia | zsm-000 | Iowa |