Plaza del Sol (formerly Osceola Square Mall) is an indoor shopping mall in Kissimmee, Florida, United States. It is the only enclosed shopping center in Kissimmee, with over 50 specialty shops. Major tenants of the mall include Ollie's Bargain Outlet, Ross Dress for Less, dd's Discounts, Burlington, Planet Fitness, and Florida Technical College.

The mall opened as Osceola Square Mall in 1985. One of its original anchor store was a 82,000-square-foot (7,600 m²) Walmart. Other major tenants upon opening included Ross Dress for Less, J. Byrons (later Uptons), Morrison's Cafeteria, and Eckerd Corporation.