Treasure Island Hotel & Casino (also known as "TI") is a hotel and casino located on the Las Vegas Strip in Paradise, Nevada, USA with 2,664 rooms and 220 suites, and is connected by tram to The Mirage as well as pedestrian bridge to the Fashion Show Mall shopping center. Since March 2009, TI is owned and operated by real estate investor Phil Ruffin.

The hotel has received the AAA Four Diamond rating each year since 1999.