Baiyoke Tower II (, , ) is an 88-story, skyscraper hotel at 222 Ratchaprarop Road in the Ratchathewi District of Bangkok, Thailand. It is the third tallest completed building in the city, after MahaNakhon and Magnolias Waterfront Residences at ICONSIAM. The building comprises the Baiyoke Sky Hotel, the tallest hotel in Southeast Asia and the seventh-tallest hotel in the world.

With the antenna included, the building's height is , and features a public observatory on the 77th floor, a bar called "Roof Top Bar & Music Lounge" on the 83rd floor, a 360-degree revolving roof deck on the 84th floor (309 m) and the hotel offers 673 guest rooms.