Over the past few years, screen-based usage among children and youth has increased significantly, particularly among those with autism. Yet current screen time guidelines do not address the specific needs of autistic children and youth. Therefore, the objective of this study was to develop specific and clear guidelines and strategies that caregivers and expert clinicians agree upon to support the digital citizenship of children with autism. Using the Delphi method, 30 experts, including 20 clinicians and 10 caregivers, were invited to complete a series of three surveys. The experts had to rate their agreement levels on a series of statements that included possible guidelines and strategies. The final statements to be included in the guidelines were accepted by more than 75% of the panel. The final guidelines included six sections: (1) general principles, (2) considerations for timing and content of leisure screen time use, (3) strategies for caregivers and clinicians to monitor and regulate screen time use, (4) behaviors to monitor for screen time overuse, (5) additional guidelines for clinicians, and (6) resources. The agreed-upon guidelines developed in this study could be the stepping stones for clinical interventions targeting screen time overuse of children with autism, addressing the screen time challenges that many families are experiencing.