First World Hotel is a three-star hotel in Resorts World Genting, Pahang, Malaysia. Featuring a total of 7,351 rooms, it has set the record of the largest hotel in the world (by number of rooms). In 2006, it featured 6,118 rooms, making it the largest hotel until The Palazzo took the title, an expansion of The Venetian located on Las Vegas Strip which was officially opened on 1 January 2008.

In 2015, First World Hotel regained the title after an opening of a new block. The hotel has received 35.5 million guests since 2006.

First World Hotel consists of Tower 1 and Tower 2 with 3,164 standard rooms, 292 deluxe rooms, 649 deluxe triple rooms, 480 superior deluxe rooms, and 136 world club rooms. It is managed by First World Hotel and Resorts Sdn Bhd, one of two major companies operating at Resorts World Genting.

One floor above the lobby level of the hotel is a 500,000-square-foot (46,000 m2) plaza called the First World Plaza, housing retail and dining outlets and indoor theme park attractions.

The hotel also connects to the brand new shopping mall, SkyAvenue which also houses the Awana Skyway station that links to the Genting Highlands Premium Outlets.

According to en.wikipedia