Subway is an American restaurant franchise that primarily sells submarine sandwiches (subs) and salads. Subway is one of the fastest growing franchises in the world with 34,707 restaurants in 98 countries/territories as of June 2011. It is the largest single-brand restaurant chain globally and is the second largest restaurant operator globally.

Subway's main operations office is in Milford, Connecticut, and five regional centers support Subway's growing international operations. The main food sold by the store is Submarine sandwiches, sold in "Six-inch" (, "Footlong" (, "Mega Sub" 18.inch ( and "Mini Sub" the four inch ( All Subway stores offer customers fresh green salads, while several others also offer cookies, muffins and others desserts.