The four-volume set LNCS 8117-8120 constitutes the refereed proceedings of the 14th IFIP TC13 International Conference on Human-Computer Interaction, INTERACT 2013, held in Cape Town, South Africa, in September 2013. The 57 papers included in the first volume are organized in topical sections on 3D navigation, 3D technologies - 3D object manipulation, augmented reality, cognitive workload, cognitive workload and decision support, creating effective 3D displays, cross-cultural, intercultural and social issues, data entry mechanisms and devices, design and evaluation, design and evaluation of prototypes, design to support creativity, designing for inclusiveness, designing with and for people with special needs, display manipulations, and diversity / ICT in social development.