SM Megamall is the name of a shopping mall in Mandaluyong City, the third largest currently in the Philippines and once one of the largest in Asia. It is majority-owned by SM Prime Holdings. The shopping center was completed in 1991 on a 10.5 acre site and expanded in 2008 to the Megamall Atrium. Today, the SM Megamall is a two-part complex of buildings with a floor area of 348 056 square meters and is five storeys high. The building has over 550 shops and restaurants as well as a multiplex movie theater with 12 cinema halls and a parking garage for 2792 cars.
Until the opening of the SM Mall of Asia on May 21, 2006 SM Megamall was the largest mall in the Philippines.