Guide Dog Users Inc., (GDUI), is the leading consumer-driven organization of guide dog handlers in the world. GDUI is an affiliate of the American Council of the Blind (ACB) and is a founding member of the Coalition of Assistance Dog Organizations (CADO).

Drawing on the experiences and varied knowledge of its members, GDUI provides peer support, advocacy and information to guide dog users everywhere. In addition, GDUI works with public entities, private businesses and individuals to ensure that guide dog users enjoy the same rights to travel, employment, housing, and participation in all aspects of life that people without disabilities enjoy.