This study aims to compare quality gap of educational services at Zahedan University of Medical Sciences from students and faculties viewpoints. In a cross-sectional study, survey questionnaire was completed by two distinct groups of respondents– 230 faculty members and 384 students. Mass majority of the both groups declared there was negative gap in each of the five dimensions. Mean quality gaps from viewpoint of both groups were negative. The largest mean quality gap from students and faculty members viewpoint was in the responsiveness and tangibility dimensions respectively. The largest and smallest differences between students and faculties viewpoint were in the responsiveness and tangibility dimensions.