Major religions practiced in Gabon include Christianity (Roman Catholicism and Protestantism), Bwiti, Islam, and indigenous animistic religion. Many persons practice elements of both Christianity and traditional indigenous religious beliefs.

Approximately 73 percent of the population including non-Citizens, practice at least some elements of Christianity including the syncretistic Bwiti; 12 percent practice Islam (of whom 80 to 90 percent are foreigners); 10 percent practice traditional indigenous religious beliefs exclusively; and 5 percent practice no religion or are atheists. A vivid description of taboos and magic is provided by Schweitzer.