The Saint Andrew's Society of Washington, D.C., with origins dating back to 1760, is a charitable and social organization of men of Scottish birth or ancestry. It is not affiliated with any religious institution. The Society succeeds in the national capital area the old Saint Andrew's Society of Alexandria, Virginia, founded about 1760.

The objectives of the Saint Andrew's Society are to afford charitable and educational assistance to Scotsmen, lineal descendants of Scotsmen, and to their widows and orphans, to perpetuate Scottish traditions and culture, and to promote social activities among its members. The Society maintains permanent trust funds for its charitable and educational purposes.

The Society sponsors a series of annual events that are open to the public, including the Burns Nicht Dinner (January), Winter Ceilidh (February), Kirkin' o' the Tartan at the National Cathedral (April), Tartan Ball (November), and the Alexandria Scottish Christmas Walk (December.) In addition, the men of the Society provide the leadership for a number of other events that are not directly sponsored by the Society but are closely affiliated. These include National Tartan Day activities, Virginia Scottish Games , and the Alexandria Scottish Heritage Fair.