This study compares the working memory in dyslexic and normal children. The method of the present study was descriptive (causal-comparative) method. The study sample included 30 students with reading disorder and 30 students without reading disorder who were matched in terms of IQ, age and gender. To identify the students with reading disorder, phonological awareness test was used, and to assess the working memory Working Memory. Index of the Wechsler Intelligence Scale for Children – Fourth Edition (WISC-IV) was used. The findings showed that there are significant differences between the working memory in dyslexic and normal students. It was found that the working memory in dyslexic children is considerably lower than normal children. Thus students with reading disorder are faced with serious problems in working memory.