PurposeThe purpose of this paper is to describe the effects of religiosity on attitude and personal orientation toward luxury brands and on purchase and repurchase intentions. Determining the effects of religiosity on the consumers’ behavior toward luxury has proved to be a crucial matter. As far as the authors know, academic research on this topic is almost non-existent. This is an exploratory study at the level of the direct effects of religiosity. Following a literature review, a model was constructed to represent the various interrelationships between the variables investigated in this research.Design/methodology/approachA quantitative study was conducted among 227 individuals having varying levels of religiosity. The authors verified, before, that those interviewed have purchased a luxury brand.FindingsThe findings show that religiosity does not hinder the consumption of luxury brands. Indeed, the authors detected a positive relationship between attitude and personal orientation toward luxury brands and the level of religiosity. The effect of religiosity on attitude and personal orientation is stronger for persons having higher incomes. Moreover, this effect is slight more marked among women.Research limitations/implicationsJust as for all other research work, it is important to identify the limitations of this study. The authors need only to acknowledge its exploratory nature for these relationships to be identified as preliminary ones and as the first elements of proof rather than as a conclusive demonstration. This research suffers from certain other limitations, especially concerning its convenience sampling and the fact that it covered only a limited geographical area, namely, the capital, Tunis, and its adjacent suburbs.Practical implicationsThis research has shown that whatever the level of religiosity, its effect is stronger among persons having a high income. Therefore, Muslims, whatever their religiosity, can be a target for marketers and luxury brand.Social implicationsIslam is not against luxury brand but against ostentation.Originality/valueIt is the first research, as the authors know, that study the relationship between religiosity and consumer luxury behavior, especially among Muslims.