With autism spectrum disorder (ASD) becoming more prevalent, the more we are understanding the manifestations correlated with this disorder; one of which being the dietary issues that are common with those with ASD. This is an important topic to discuss with those with ASD, parents and family members of someone with ASD, and medical providers. To further investigate this topic, this paper will highlight background information about what ASD is, what gastrointestinal issues those with ASD typically have, dietary approaches that are commonly used, and the role that nutrition and diet plays for occupational therapists helping to treat those with ASD.B.A. (Bachelor of Arts