The Houston Chapter of the United Nations Association-USA (UNA-Houston) is a nonprofit, nonpartisan, 501c3 membership-based organization dedicated to building understanding of and support for the ideals and work of the UN among Houstonians. For the UN to function more effectively and to more fully achieve its goals, the UNA encourages the US to be actively engaged in all aspects of the work of the UN. UNA-Houston is the local chapter of the United Nations Association of the United States of America, which is a program of the United Nations Foundation.
UNA Houston has been sponsoring year-round programs since the 1960s. Prominent among its programs are the Houston Area Model United Nations (HAMUN), one of the largest and oldest programs of its kind, UNA International Choir (now International Voices Houston), Global Classrooms, Know Your UN, Wines Around The World, UN Day commemoration, World Café, and other seminars and programs providing information, education and advocacy on issues of global/local interest.