The Pentecostal Movement among Bulgaria’s Gypsies discusses the Pentecostal movement among the most marginalized ethnic group on the European continent — the Roma, more widely known as ‘Gypsies.’ This movement started about sixty years ago, but continues to be a powerful force of impact among this people. It has transformed the Roma communities in positive and constructive ways and advanced their integration into society. The article begins by introducing the Roma as a minority and briefly explores the historical relationship between them and Christianity. It reviews Roma Pentecostalism as an international phenomenon impacting these socially stigmatized people wherever they live. It gives some of the movement’s historical highlights in Europe, focusing on Bulgaria where the author’s field research took place. It outlines the main factors contributing to its phenomenal growth and reviews some of the important changes the movement has brought about in the Roma communities and culture.