| English | eng-000 |
| Hertfordshire | |
| Universal Networking Language | art-253 | hertfordshire(iof>county>thing) |
| ISO 3166-2 | art-416 | GB-HRT |
| български | bul-000 | Хартфордшър |
| català | cat-000 | Hertfordshire |
| 普通话 | cmn-000 | 艾赛克斯 |
| 普通话 | cmn-000 | 赫特福德郡 |
| 普通话 | cmn-000 | 赫特福特 |
| 國語 | cmn-001 | 艾賽克斯 |
| 國語 | cmn-001 | 赫特福德郡 |
| Hànyǔ | cmn-003 | Aì sài kè si |
| Kernowek | cor-000 | Hertfordshire |
| Cymraeg | cym-000 | Swydd Hertford |
| dansk | dan-000 | Hertfordshire |
| Deutsch | deu-000 | Essex |
| Deutsch | deu-000 | Hertfordshire |
| eesti | ekk-000 | Hertfordshire |
| English | eng-000 | Suffolk |
| Esperanto | epo-000 | Esekso |
| Esperanto | epo-000 | Hertfordshire |
| euskara | eus-000 | Hertfordshire |
| suomi | fin-000 | Hertfordshire |
| français | fra-000 | Essex |
| français | fra-000 | Hertfordshire |
| galego | glg-000 | Hertfordshire |
| हिन्दी | hin-000 | हर्टफ़र्डशायर |
| hiMxI | hin-004 | esEksa |
| Ido | ido-000 | Hertfordshire |
| bahasa Indonesia | ind-000 | Hertfordshire |
| íslenska | isl-000 | Hertfordshire |
| italiano | ita-000 | Hertfordshire |
| 日本語 | jpn-000 | ハートフォードシャー |
| 日本語 | jpn-000 | ハートフォードシャー州 |
| 한국어 | kor-000 | 영국남동부의주 |
| Lëtzebuergesch | ltz-000 | Hertfordshire |
| latviešu | lvs-000 | Hārtfordšīra |
| Nederlands | nld-000 | Hertfordshire |
| bokmål | nob-000 | Essex |
| bokmål | nob-000 | Hertfordshire |
| occitan | oci-000 | Hertfordshire |
| polski | pol-000 | Hertfordshire |
| português | por-000 | Hertfordshire |
| română | ron-000 | Hertfordshire |
| русский | rus-000 | Хартфордшир |
| slovenčina | slk-000 | Hertfordshire |
| español | spa-000 | Hertfordshire |
| svenska | swe-000 | Hertfordshire |
| ภาษาไทย | tha-000 | เฮิร์ตฟอร์ดเชอร์ |
| Volapük | vol-000 | Hertfordshire |