This two-volume set LNCS 11576 and 11577 constitutes the thoroughly refereed proceedings of the 11th International Conference on Cross-Cultural Design, CCD 2019, which was held as part of the 21st HCI International Conference, HCII 2019, in Orlando, FL, USA, in July 2019. The total of 1275 papers and 209 posters included in the 35 HCII 2019 proceedings volumes were carefully reviewed and selected from 5029 submissions. CCD 2019 includes a total of 80 papers; they were organized in topical sections named: Part I, Methods, Tools and User Experience: Cross-cultural design methods and tools; culture-based design; cross-cultural user experience; cultural differences, usability and design; aesthetics and mindfulness.