![Shop our 2024 calendars. Now available for purchase!](https://static.checkiday.com/img/website-shop-header-6.jpg)
![Image for Adult Autism Awareness Day](https://static.checkiday.com/img/1200/doctor-563428.jpg)
Adult Autism Awareness Day
Observed
annually on April 18th (since 2009)
Dates
Tags
Awareness & Advocacy
Health & Wellness
Hashtags
Sources
Adult Autism Awareness Day is observed next on Friday, April 18th, 2025. It has been observed annually on April 18th since 2009.