Edited in collaboration with Fo LLI, the Association of Logic, Language and Information this book constitutes the refereed proceedings of the of the 29th International Workshop on Logic, Language, Information, and Computation, Wo LLIC 2023, held in Halifax, NS, Canada, during July 11-14, 2023. The 24 full papers (21 contributed, 3 invited) included in this book were carefully reviewed and selected from 46 submissions. The book also contains the abstracts for the 7 invited talks and 4 tutorials presented at Wo LLIC 2023. The Wo LLIC conference series aims at fostering interdisciplinary research in pure and applied logic.