🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaTiếng ViệtTürkçeРусскийالعربيةفارسی한국어中文日本語EntityQ21068· pop 40· linked from 22 articlesRWikimedia disambiguation pageArticleR, or r, is the eighteenth letter of the English alphabet.R or r may also refer to:Read full article (114 paragraphs)Available in 40 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsItalianoالعربيةAfrikaansAlbanianConnectionsRydberg constantEntitybasic reproduction numberEntity