This book constitutes the refereed proceedings of the 29th Argentine Congress of Computer Science on Computer Science - CACIC 2023, held in Luján, Argentina, during October 9¿12, 2023. The 27 full papers included in this book were carefully reviewed and selected from 142 submissions. They were organized in topical sections as follows: agents and systems; distributed and parallel processing; technology applied to education; graphic computation, images and visualization; software engineering; databases and data mining; hardware architectures, networks, and operating systems; innovation in software systems; signal processing and real-time systems; innovation in computer science education; computer security; digital governance and smart cities.