Catalan orthography

This article has multiple issues. Please help improve it or discuss these issues on the talk page. (Learn how and when to remove these template messages) This article should specify the language of its non-English content, using {{lang}}, {{transliteration}} for transliterated languages, and {{IPA}} for phonetic transcriptions, with an appropriate ISO 639 code. Wikipedia's multilingual support templates may also be used. See why. (March 2023) This article may be a rough translation from another language. It may have been generated, in whole or in part, by a computer or by a translator without dual proficiency. Please help to enhance the translation. If you have just labeled this article as needing attention, please add {{subst:Needtrans|pg=Catalan orthography |language=unknown |comments= }} ~~~~ to the bottom of the WP:PNTCU section on Wikipedia:Pages needing translation into English. (March 2023) (Learn how and when to remove this message)

The Catalan and Valencian orthographies encompass the spelling and punctuation of standard Catalan (set by the IEC) and Valencian (set by the AVL). There are also several adapted variants to the peculiarities of local dialects of Insular Catalan (Alguerese and the Balearic subdialects).