Introduction Many changes in the world such as development of technology, facility in transportation, general availability of media, and tourism industry have led to more interaction between groups and cultures across the world than that in the last centuries. This encounter might range from cultural conflicts to complete cultural adoption. One of the most important factors to avoid conflicts and struggles among people is raising their awareness and perception about cultural variety and differences which might lead to people’ s growing tolerance in interaction with new people and cultures. This human ability that can be construed as an index of adaptation with new environments is called cultural intelligence. Cultural intelligence is basically characterized as the ability to perceive cultural similarities and differences and not ignoring them. Moreover it can be defined as personal capacity to effectively interact with people of other cultures. It is assumes that one of the most positive consequences of developing cultural intelligence is the reduction of prejudices, fundamentalism, assassination, insecurity, and struggles. According to Early and Ang (2006), cultural intelligence has four dimensions of metacognitive, cognitive, motivational, and behavioral. Vogt (1997) also maintains that tolerance has three dimensions: political, ethical and social tolerance. Further, political tolerance, in his view, involves respect for others' civil liberties, and ethical tolerance is to respect what others do in private. However, social tolerance means tolerating the acquired and assigned attributes of individuals. Growing emigration of people of diverse cultures to Yasuoj city on the one hand and the rise of social problems in this city over the past years raises concerns and the question of whether or not there is any significant relationships between cultural intelligence and social tolerance among citizens in this city. This question motivated the current research...