Objectives: The aim of the present study was to evaluate the psychometric properties of Lucid Dream Questionnaire in a sample of Semnan University students. Method: The population consisted of all the students of Semnan University in 2014-2015 academic year. The sample included 350 students selected by stratified random sampling method. All participants completed Lucid Dream Questionnaire, Cattell's 16 Personality Factor (16PF) questionnaire and Levenson Locus of Control questionnaire. Data were analyzed using confirmatory factor analysis and correlation with external criteria. Results: Lucid Dream Questionnaire has one factor with acceptable reliability. Lucid Dream scores had moderate correlations with social boldness, dominance, emotional sensitivity, phobia, and conservative by experimentation of Cattell's Questionnaire and also with Levenson Locus of Control (LOC) subscale. Conclusion: Lucid Dream Questionnaire has appropriate reliability and validity in university of Semnan students.