This study examined a motor support program applied for 40 minutes, two days per week, over a period of 12 weeks in children aged 4-6 years diagnosed with autism spectrum disorder. A total of 28 children with autism spectrum disorder participated in the study, including 14 children in the experimental group and 14 children in the control group. In addition to their regular special education sessions, participants in the experimental group received the motor support program for 40 minutes, two days per week, for 12 weeks. Data collection instruments included the Gilliam Autistic Disorder Rating Scale-Second Edition, Turkish Version (GARS-2-TV), the Bruininks-Oseretsky Test of Motor Proficiency, Second Edition, Short Form (BOT-2) for the assessment of gross motor skills, and the caregiver-completed Sensory Profile Questionnaire for the assessment of sensory-motor skills.