Objective: Intelligence quotient (IQ) is one of the human abilities which has important role in life he-man achievement especially in academic achievement. The aims of this study was determine the students' intelligence quotient of different courses at Kurdistan University of Medical Sciences and it's related to academic achievement. Methods: This study was cross-sectional and sample of the current study was 290(117 male and 173 female) which selected by stratified randomized sampling method. Instrument of the study was Raven's IQ test. Data of the present study was analyzed using SPSS-20 software and x^2. Results: Result from the present study showed that maximum and minimum of IQ among respondents were 111(67.9%) and 100(9.7%) respectively, also, based on results from the present study, there was no significant different between student's different courses and IQ .also, there were no significant relationship between academic entrance quota with GPA(P&ge0.5) and IQ with GPA ((P&ge0.09). In addition, results from the present study indicated that there was significant relationship between gender and respondents' GPA (P=./.000).