The current study intended to examine the effectiveness of group attributional retraining on achievement motivation and attributional style of children specific learning disabilities in Tehran.This study utilized a quasi-experimental design with pretest-posttest and control group. Using purposive and convenience sampling method, 30 individuals (18 male and 12 female) and(age=8-12) were selected from all students with learning disabilities in Tehran (2015-2016), and they were equally assigned into two groups (experimental and control). The experimental group received group attributional retraining for 11 sessions of 45 minutes in six weeks while the control group only received the regular education in learning disabilities centers. Before and after the intervention, Children Attributional Style Questionnaire, and Hermans Achievement Motivation Questionnaire were administered for both groups. The data were analyzed through multivariate analysis of covariance. Attributional retraining resulted in a significant increase achievement motivation and improved optimistic attributional style and reduced pessimistic attributional style in students with learning disabilities in experimental group. According to the findings, one may conclude that attributional retraining may increase achievement motivation and improved optimistic attributional style and reduced pessimistic attributional style in students with specific learning disabilities.