Attention Deficit Hyperactivity Disorder (ADHD) is one of the most common mental disorders that develop in children and becomes apparent in the preschool and early school years. Several family and maternal-related factors were shown to be associated with ADHD. The aim of the present study was to determine the prevalence of ADHD and associated family and psychosocial factors among male primary school children in Dammam city, Saudi Arabia. A sample size of 1287 students aged 6-13 years in 67 government and 10 private primary schools was selected by multistage systematic random sampling. Data was collected using two types of questionnaires: the modified Arabic version of the Attention Deficit Disorders Evaluation Scale (ADDES) school version, and Parents’ questionnaire to diagnose the three main subtypes of ADHD namely: inattention, hyperactivity-impulsivity, and combined ADHD. The majority of the boys were from government schools (83.0%), were of age 6-