Im ISO Standard 639-1 sind Abkürzungen für Sprachen definiert, die jeweils aus zwei Buchstaben bestehen. Für Filmatorium werden diese Buchstaben großgeschrieben.
| Sprache | ISO | | (Afan) Oromo | om | | Abkhazian | ab | | Afar | aa | | Afrikaans | af | | Albanian | sq | | Amharic | am | | Arabic | ar | | Armenian | hy | | Assamese | as | | Aymara | ay | | Azerbaijani | az | | Bashkir | ba | | Basque | eu | | Bengali | bn | | Bhutani | dz | | Bihari | bh | | Bislama | bi | | Breton | br | | Bulgarian | bg | | Burmese | my | | Byelorussian | be | | Cambodian | km | | Catalan | ca | | Chinese | zh | | Corsican | co | | Croatian | hr | | Czech | cs | | Danish | da | | Dutch | nl | | English | en | | Esperanto | eo | | Estonian | et | | Faeroese | fo | | Fiji | fj | | Finnish | fi | | French | fr | | Frisian | fy | | Galician | gl | | Georgian | ka | | German | de | | Greek | el | | Greenlandic | kl | | Guarani | gn | | Gujarati | gu | | Hausa | ha | | Hebrew (former iw) | he | | | Sprache | ISO | | Hindi | hi | | Hungarian | hu | | Icelandic | is | | Indonesian (former in) | id | | Interlingua | ia | | Interlingue | ie | | Inupiak | ik | | Irish | ga | | Italian | it | | Japanese | ja | | Javanese | jw | | Kannada | kn | | Kashmiri | ks | | Kazakh | kk | | Kinyarwanda | rw | | Kirghiz | ky | | Kirundi | rn | | Korean | ko | | Kurdish | ku | | Laothian | lo | | Latin | la | | Latvian, Lettish | lv | | Lingala | ln | | Lithuanian | lt | | Macedonian | mk | | Malagasy | mg | | Malay | ms | | Malayalam | ml | | Maltese | mt | | Maori | mi | | Marathi | mr | | Moldavian | mo | | Mongolian | mn | | Nauru | na | | Nepali | ne | | Norwegian | no | | Occitan | oc | | Oriya | or | | Pashto, Pushto | ps | | Persian | fa | | Polish | pl | | Portuguese | pt | | Punjabi | pa | | Quechua | qu | | Rhaeto-Romance | rm | | Romanian | ro | | | Sprache | ISO | | Russian | ru | | Samoan | sm | | Sangro | sg | | Sanskrit | sa | | Scots Gaelic | gd | | Serbian | sr | | Serbo-Croatian | sh | | Sesotho | st | | Setswana | tn | | Shona | sn | | Sindhi | sd | | Singhalese | si | | Siswati | ss | | Slovak | sk | | Slovenian | sl | | Somali | so | | Spanish | es | | Sudanese | su | | Swahili | sw | | Swedish | sv | | Tagalog | tl | | Tajik | tg | | Tamil | ta | | Tatar | tt | | Tegulu | te | | Thai | th | | Tibetan | bo | | Tigrinya | ti | | Tonga | to | | Tsonga | ts | | Turkish | tr | | Turkmen | tk | | Twi | tw | | Uigur | ug | | Ukrainian | uk | | Urdu | ur | | Uzbek | uz | | Vietnamese | vi | | Volapuk | vo | | Welch | cy | | Wolof | wo | | Xhosa | xh | | Yiddish (former ji) | yi | | Yoruba | yo | | Zhuang | za | | Zulu | zu | |