In recent decades due to technological advances, increasing cross-cultural communication, and necessity to identify cultural differences, in order to effective function in cultural diversity situations, Learning some skills and capabilities is essential. Cultural intelligence have been proposed as one of the key capabilities to adapt effectively to new cultural contexts. The purpose of the present study was describe and proposing a theoretical framework about cultural intelligence and its four dimensions (cognitive, metacognitive, motivational, and behavioral), as a cultural variable influencing ethnocentrism. Using survey, data collected from over 384 young citizens of 18 to 29 years old residing in Tabriz. In order to collecting data the questionnaire had been used. The results indicated that there was positive significant relationship between each dimension of cultural intelligence with ethnocentrism. Also, statistical analysis’s results (t-test) showed that among understudy demographic characteristics (age, gender, education, marital status, occupation type, and income), the youth’s average ethnicentrism is different according to their gender.