The Boeing 737 Next Generation is the name given to the -600/-700/-800/-900/Business Jet series of the Boeing 737 after the introduction of the -300/-400/-500 Classic series. They are American short to medium range, single aisle, narrow body jet airliners. Produced since 1996, over 2,500 aircraft have been delivered as of 2008.

The 737-700 was the first of Next Generation series when launch customer Southwest Airlines ordered the variant in November 1993. The variant was based on the 737-300 and entered service in 1998. It replaced the 737-300 in Boeing's lineup, and its direct competitor is the A319. It typically seats 132 passengers in a two class cabin or 149 in all economy configuration.