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. Construction on the building ended in 1997, with the antenna being added two years later. The Baiyoke Sky Hotel website notes the height without the antenna as , while other sources note it as .
In Bangkok and its vicinity, analog TV broadcasting from the Baiyoke Tower II has been shut down on June 16, 2018, at midnight (Thai PBS), July 16, 2018 at 6:30 PM (MCOT HD), and midnight (NBT) and March 26, 2020, at midnight (Channel 3 HD).