This two-volume set, CCIS 2339 and CCIS 2340, constitutes the refereed proceedings of the 8th International Conference on Arabic Language Processing, ICALP 2023, held in Rabat, Morocco, during April 19-20, 2024. The 30 full papers and 11 short papers presented in these two volumes were carefully reviewed and selected from 107 submissions. The papers are organized in the following topical sections: Part I: Learning Arabic and dialectal and Sentiment Analysis; Advancements in Deep Learning for Arabic Language Processing: Generation, Translation, and QA. Part II: Linguistic Resources for Arabic NLP; Various analysis of Arabic.