| hrvatski | hrv-000 |
| Ontario | |
| Afrikaans | afr-000 | Ontario |
| Englisce sprǣc | ang-000 | Ontario |
| العربية | arb-000 | أونتاريو |
| azərbaycanca | azj-000 | Ontario |
| bosanski | bos-000 | Ontario |
| brezhoneg | bre-000 | Ontario |
| български | bul-000 | Онтарио |
| català | cat-000 | Llac Ontàrio |
| català | cat-000 | Ontàrio |
| čeština | ces-000 | Ontario |
| 普通话 | cmn-000 | 安大略省 |
| 國語 | cmn-001 | 安大略省 |
| Kernowek | cor-000 | Ontario |
| ᓀᐦᐃᔭᐤ | cre-000 | ᐅᐣᑌᕆᐅ |
| Cymraeg | cym-000 | Ontario |
| dansk | dan-000 | Ontario |
| Deutsch | deu-000 | Ontario |
| eesti | ekk-000 | Ontario provints |
| ελληνικά | ell-000 | Οντάριο |
| English | eng-000 | Lake Ontario |
| English | eng-000 | Ontario |
| Esperanto | epo-000 | Ontario |
| euskara | eus-000 | Ontario |
| suomi | fin-000 | Ontario |
| suomi | fin-000 | Ontariojärvi |
| français | fra-000 | Lac Ontario |
| français | fra-000 | Ontario |
| français | fra-000 | lac Ontario |
| Gaeilge | gle-000 | Ontario |
| galego | glg-000 | Ontario |
| Srpskohrvatski | hbs-001 | Ontario |
| עברית | heb-000 | אונטריו |
| हिन्दी | hin-000 | ओन्टारियो |
| Ido | ido-000 | Ontario |
| ᐃᓄᒃᑎᑐᑦ | iku-000 | ᐋᓐᑎᐅᕆᔪ/aantiuriju |
| interlingua | ina-000 | Ontario |
| bahasa Indonesia | ind-000 | Danau Ontario |
| bahasa Indonesia | ind-000 | Ontario |
| italiano | ita-000 | Ontario |
| 日本語 | jpn-000 | オンタリオ |
| 日本語 | jpn-000 | オンタリオ州 |
| ქართული | kat-000 | ონტარიო |
| 한국어 | kor-000 | 온타리오 주 |
| latine | lat-000 | Ontario |
| lengua lígure | lij-000 | Ontario |
| lietuvių | lit-000 | Ontarijas |
| македонски | mkd-000 | Онтарио |
| Bân-lâm-gú | nan-005 | Ontario |
| Nederlands | nld-000 | Ontario |
| nynorsk | nno-000 | Ontario |
| bokmål | nob-000 | Ontario |
| Amanung Sisuan | pam-000 | Ontario |
| Pennsilfaanisch Deitsch | pdc-000 | Ontario |
| فارسی | pes-000 | انتاریو |
| lenga piemontèisa | pms-000 | Ontario |
| polski | pol-000 | Ontario |
| português | por-000 | Lago Ontario |
| português | por-000 | Lago Ontário |
| português | por-000 | Lago ontario |
| português | por-000 | Lago ontário |
| português | por-000 | Ontario |
| português | por-000 | Ontário |
| română | ron-000 | Ontario |
| русский | rus-000 | Онтарио |
| Žemaitiu | sgs-000 | Ontarėjė |
| slovenčina | slk-000 | Ontário |
| slovenščina | slv-000 | Ontario |
| español | spa-000 | Ontario |
| српски | srp-000 | Онтарио |
| svenska | swe-000 | Ontario |
| Tagalog | tgl-000 | Ontario |
| ภาษาไทย | tha-000 | จังหวัดออนทาริโอ |
| ภาษาไทย | tha-000 | ทะเลสาบออนทาริโอ |
| Türkçe | tur-000 | Ontario |
| українська | ukr-000 | Онтаріо |
| tiếng Việt | vie-000 | Ontario |
| Volapük | vol-000 | Ontario |
| ייִדיש | ydd-000 | אנטעריא |
| Bahasa Malaysia | zsm-000 | Ontario |