Muslims living in Western countries may encounter exclusion, discrimination, hatred, and violence in their daily lives. Studies report that attitudes toward Muslims might be more deleterious than attitudes toward any other religious group. In this regard, an important question that comes to mind is what attitudes Muslims living in Western countries may have toward other religious groups. Accordingly, this research explored the attitudes of Muslims living in Western countries toward other religious groups and the relationship of these attitudes with intergroup contact, quality of contact, perceived Islamophobia level, and social identification level. We analyzed data coming from 158 Muslims living in Western countries. Results indicated that (a) Catholics are the most positively regarded religious group for Muslims and they are the group with whom Muslims have the highest frequency of contact; (b) attitudes toward other religious groups were associated with frequency of contact and positive evaluation of contact; (c) there was no statistical relationship between levels of social identification, contact and perceived Islamophobia and attitudes towards other religious groups, and (d) among religious groups, perceived Islamophobia was only associated with attitudes toward Jews and evaluations of contact with this group. We discuss the study implications and limitations as well as future research avenues.