The Anne Arundel County, Maryland, Ostomy Association Inc (AACOA) is a non-profit, volunteer-based organization dedicated to providing reassurance and emotional support for people who have had or will have some kind of ostomy surgery, such as colostomy, ileostomy, urostomy (urinary diversion) or a continent procedure.

The goal of the AACOA is to provide moral support, information, and education to people with ostomies and their families and friends.

The Association is an affiliate chapter of the United Ostomy Associations of America, Inc.