This book constitutes the refereed proceedings of the 6th Conference on Electronic Governance and Open Society: Challenges in Eurasia, EGOSE 2019, held in St. Petersburg, Russia, in November 2019. The 32 revised full papers were carefully reviewed and selected from 82 submissions. The papers are organized in topical sections on smart city;digital government, society and economy; digital intelligence, data science and cybercrime; social networking and media. .