European Languages:
* Arabic: مكتبة (maktaba)
* Bulgarian: библиотека (biblioteka)
* Catalan: biblioteca
* Chinese (Simplified): 图书馆 (túshūguǎn)
* Chinese (Traditional): 圖書館 (túshūguǎn)
* Croatian: knjižnica
* Czech: knihovna
* Danish: bibliotek
* Dutch: bibliotheek
* Finnish: kirjasto
* French: bibliothèque
* German: Bibliothek
* Greek: βιβλιοθήκη (vivliothiki)
* Hebrew: ספרייה (sifriya)
* Hungarian: könyvtár
* Icelandic: bókasafn
* Italian: biblioteca
* Japanese: 図書館 (toshokan)
* Korean: 도서관 (doseogwan)
* Lithuanian: biblioteka
* Norwegian: bibliotek
* Polish: biblioteka
* Portuguese: biblioteca
* Romanian: bibliotecă
* Russian: библиотека (biblioteka)
* Serbian: библиотека (biblioteka)
* Slovak: knižnica
* Slovenian: knjižnica
* Spanish: biblioteca
* Swedish: bibliotek
* Turkish: kütüphane
* Ukrainian: бібліотека (biblioteka)
Other Languages:
* Hindi: पुस्तकालय (pustakālaya)
* Indonesian: perpustakaan
* Persian: کتابخانه (ketabkhaneh)
* Thai: ห้องสมุด (hóng samut)
* Vietnamese: thư viện (thư viện)
This is not an exhaustive list, but it provides a good starting point for understanding how "library" is translated into different languages.