Marriott International is an American multinational diversified hospitality company that manages and franchises a broad portfolio of hotels and related lodging facilities.

Founded by J. Willard Marriott, the company is now led by his son, Executive Chairman Bill Marriott, and President and Chief Executive Officer Arne Sorenson.

Headquartered in Bethesda, Maryland, in the Washington, D.C. metropolitan area, Marriott International is the largest hotel chain in the world. It has more than 6,500 properties in 127 countries and territories around the world, over 1.2 million rooms (as of September 2017), and an additional 195,000 rooms in the development pipeline.

In 2017, Marriott was ranked #33 on Fortune's "100 Best Companies to Work For" list, its twentieth appearance on the list.