["Journal for the Scientific Study of Religion, Volume 60, Issue 1, Page 103-112, March 2021. ", "\nAbstract\nIn European countries, a large number of people feel that Islam is incompatible with secularism. France's legal principle of laïcité (a type of state “secularism”) has governed the relationship between religion and society since 1905. However, recent research suggests that there coexist two distinct lay conceptions of laïcité that differ most notably in their tolerance for the presence of religious symbols in public places, one inclusive, the other restrictive. This latter conception appears to target mainly Muslims. The present research examined the lay conceptions of laïcité held by Catholics, Muslims, and nonbelievers. Analyses of participants’ responses (N = 375) to a scale measuring lay beliefs about laïcité confirmed the existence of two distinct lay conceptions of laïcité that differed in the importance given to public expression of religious beliefs, religious neutrality of the state, and equal treatment of different religions. The results also showed that, independent of participants’ religiosity, the restrictive conception was more prevalent among nonbelievers, the two conceptions were equally prevalent among Catholics, and the inclusive conception was more prevalent among Muslims.\n"]