
The volume presents the proceedings of the 13th International Conference on CMC and Social Media Corpora for the Humanities (CMC-Corpora 2026), held at the University of Oulu, Finland, on 27–28 August 2026. The contributions address the collection, annotation, processing, analysis, and publication of corpora of computer-mediated communication and social media, bringing together research in corpus linguistics, discourse analysis, sociolinguistics, language technology, media and communication studies, and the digital humanities.