The Adolphus Hotel is a historic upscale hotel established in 1912 in the Main Street District of Downtown Dallas, Texas. A Dallas Landmark, it was for several years the tallest building in the state. Today, the hotel is part of Marriott's Autograph Collection brand.

Autograph Collection is an American group of independent upper-upscale to luxury hotels within the Marriott International portfolio. The properties are independently owned and operated under the Autograph Collection name.