| română | ron-000 |
| radiu | |
| Afrikaans | afr-000 | radium |
| toskërishte | als-000 | radium |
| toskërishte | als-000 | radiumi |
| العربية | arb-000 | راديوم |
| العربية | arb-000 | رَادِيُوم |
| luenga aragonesa | arg-000 | radio |
| atomic symbols | art-010 | Ra |
| New International File Names for the Atomic Elements | art-276 | radion |
| asturianu | ast-000 | radiu |
| azərbaycanca | azj-000 | radium |
| беларуская | bel-000 | радый |
| বাংলা | ben-000 | রেডিয়াম |
| bosanski | bos-000 | radij |
| bosanski | bos-000 | radijum |
| brezhoneg | bre-000 | radiom |
| български | bul-000 | радий |
| català | cat-000 | radi |
| binisayang Sinugboanon | ceb-000 | radyo |
| čeština | ces-000 | radium |
| čeština | ces-000 | rádium |
| чӑваш | chv-000 | ради |
| 普通话 | cmn-000 | 鐳 |
| 普通话 | cmn-000 | 镭 |
| 國語 | cmn-001 | 鐳 |
| Kernowek | cor-000 | radyum |
| lingua corsa | cos-000 | radiu |
| Cymraeg | cym-000 | radiwm |
| dansk | dan-000 | radium |
| Deutsch | deu-000 | Radium |
| eesti | ekk-000 | raadium |
| ελληνικά | ell-000 | ράδιο |
| ελληνικά | ell-000 | ραδιο |
| English | eng-000 | radium |
| Esperanto | epo-000 | radiumo |
| euskara | eus-000 | radio |
| euskara | eus-000 | radioa |
| føroyskt | fao-000 | radium |
| suomi | fin-000 | radium |
| français | fra-000 | radio |
| français | fra-000 | radium |
| Frysk | fry-000 | radium |
| lenghe furlane | fur-000 | radi |
| Gàidhlig | gla-000 | raidiam |
| Gaeilge | gle-000 | raidiam |
| galego | glg-000 | radio |
| yn Ghaelg | glv-000 | raadjum |
| ગુજરાતી | guj-000 | રેડિયમનો |
| 客家話 | hak-000 | 鐳 |
| Hak-kâ-ngî | hak-005 | luì |
| Srpskohrvatski | hbs-001 | radij |
| Srpskohrvatski | hbs-001 | radijum |
| עברית | heb-000 | רדיום |
| हिन्दी | hin-000 | तेजातु |
| हिन्दी | hin-000 | रेडियम |
| hrvatski | hrv-000 | radij |
| magyar | hun-000 | rádium |
| արևելահայերեն | hye-000 | Ռադիում |
| արևելահայերեն | hye-000 | ռադիում |
| Ido | ido-000 | radiumo |
| interlingua | ina-000 | radium |
| bahasa Indonesia | ind-000 | radium |
| íslenska | isl-000 | radín |
| italiano | ita-000 | radio |
| italiano | ita-000 | radium |
| 日本語 | jpn-000 | ラジウム |
| 日本語 | jpn-000 | ラディウム |
| kạ̄šur | kas-002 | rôd |
| ქართული | kat-000 | რადიუმი |
| қазақ | kaz-000 | радий |
| монгол | khk-000 | ради |
| кыргыз | kir-000 | радий |
| Kurmancî | kmr-000 | radyûm |
| 한국어 | kor-000 | 라듐 |
| коми кыв | kpv-000 | радий |
| latine | lat-000 | radium |
| lingála | lin-000 | ladu |
| lietuvių | lit-000 | radis |
| lengua lumbarda | lmo-000 | ràdi |
| Lëtzebuergesch | ltz-000 | Radium |
| Lëtzebuergesch | ltz-000 | radium |
| latviešu | lvs-000 | rādijs |
| മലയാളം | mal-000 | റേഡിയം |
| македонски | mkd-000 | радиум |
| Malti | mlt-000 | Radju |
| Malti | mlt-000 | radju |
| Malti | mlt-000 | radjum |
| Moraori | mok-000 | ради |
| reo Māori | mri-000 | konuruke |
| Nāhuatlahtōlli | nci-000 | radio |
| Nederlands | nld-000 | radium |
| nynorsk | nno-000 | radium |
| bokmål | nob-000 | radium |
| occitan | oci-000 | radi |
| ирон ӕвзаг | oss-000 | радий |
| فارسی | pes-000 | راديوم |
| فارسی | pes-000 | رادیم |
| polski | pol-000 | rad |
| português | por-000 | rádio |
| Qusqu qhichwa simi | quz-000 | radyu qʼillay |
| română | ron-000 | радий |
| limba armãneascã | rup-000 | radiumu |
| русский | rus-000 | ра́дий |
| русский | rus-000 | радий |
| Žemaitiu | sgs-000 | radis |
| slovenčina | slk-000 | radium |
| slovenčina | slk-000 | rádium |
| slovenščina | slv-000 | radij |
| gagana faʻa Samoa | smo-000 | radimi |
| Sesotho | sot-000 | radiamo |
| español | spa-000 | radio |
| српски | srp-000 | pадијум |
| српски | srp-000 | радијум |
| svenska | swe-000 | radium |
| Kiswahili | swh-000 | radi |
| தமிழ் | tam-000 | கருகன் |
| தமிழ் | tam-000 | ரேடியம் |
| тоҷикӣ | tgk-000 | радий |
| ภาษาไทย | tha-000 | เรเดียม |
| Türkçe | tur-000 | radyum |
| ئۇيغۇرچە | uig-000 | رادىي |
| українська | ukr-000 | pадій |
| українська | ukr-000 | радій |
| oʻzbek | uzn-000 | radiy |
| tiếng Việt | vie-000 | rađi |
| Volapük | vol-000 | radin |
| võro kiil | vro-000 | raadium |
| ייִדיש | ydd-000 | ראַדיום |
| 廣東話 | yue-000 | 鐳 |
| 廣東話 | yue-000 | 镭 |
| Bahasa Malaysia | zsm-000 | radium |