This volume presents a series of revised papers selected from workshops that took place during the 19th IFIP TC13 International Conference on Human-Computer Interaction, INTERACT 2023, held August 28th to September 1st 2023 at the University of York, York, UK. The 54 revised full papers and 21 short papers presented were carefully selected from a competitive selection process. INTERACT 2023 presents the following workshops: WG 13.2 – Human-Centered Software Engineering: Rethinking the Interplay of Human–Computer Interaction and Software Engineering in the Age of Digital Transformation. WG 13.3 – Designing Technology for Neurodivergent Self-Determination: Challenges and Opportunities. WG 13.4/2.7 – HCI-E2-2023: Second IFIP WG 2.7/13.4 Workshop on HCI Engineering Education. WG 13.5 – On Land, at Sea, and in the Air: Human-Computer Interaction in Safety-Critical Spaces of Control. WG 13.6 – Sustainable Human-Work Interaction Designs. WG 13.8 – HCI for Digital Democracy and Citizen Participation. WG 13.10 – Designing for Map-based Interfaces and Interactions. Algorithmic affordances in recommender interfaces. Intelligence Augmentation: Future Directions and Ethical Implications in HCI. Interacting with Assistive Technology (IATech) Workshop. Re-Contextualizing Built Environments: Critical & Inclusive HCI Approaches for Cultural Heritage.