The Cosmopolitan

The Cosmopolitan may refer to:
 * Cosmopolitan (magazine), the original name of the magazine in the 1880s was The Cosmopolitan.
 * Cosmopolitan of Las Vegas, a hotel/casino/condo in Las Vegas, Nevada that opened in December 2010
 * Cosmopolitan on the Park, or simply "the Cosmopolitan", a skyscraper in Portland, Oregon, United States