This five-volume set LNCS 14712-14716 constitutes the refereed proceedings of the 13th International Conference on Design, User Experience, and Usability, DUXU 2024, held as part of the 26th International Conference, HCI International 2024, in Washington, DC, USA, during June 29 - July 4, 2024. The total of 1271 papers and 309 posters included in the HCII 2024 proceedings was carefully reviewed and selected from 5108 submissions. The DUXU 2024 proceedings were organized in the following topical sections: Part I: Information Visualization and Interaction Design; Usability Testing and User Experience Evaluation. Part II: Designing Interactions for Intelligent Environments; Automotive Interactions and Smart Mobility Solutions; Speculative Design and Creativity. Part III: User Experience Design for Inclusion and Diversity; Human-Centered Design for Social Impact. Part IV: Designing Immersive Experiences across Contexts; Technology, Design, and Learner Engagement; User Experience in Tangible and Intangible Cultural Heritage. Part V: Innovative Design for Enhanced User Experience; Innovations in Product and Service Design.