The SNCASE SE 100 (Sud-Est SE 100) was a French two-seat, twin-engined fighter which first flew in 1939. Mass production was planned to begin late in 1940 but the Fall of France prevented this.
The origins of the SE.100 predate the creation of the SNCASE (Sud-Est) company in the nationalisations of 1937.
The aircraft was of conventional all-metal construction, mid-wing layout. The fuselage was short in appearance, with a long nose and a very short tail. The aircraft proved to be around 100 km/h faster than the Potez 631, the French Air Force's current twin-engined fighter.
At least two paper variants were studied, the SE.101 powered by Pratt & Whitney Twin Wasp engines, and the SE.102 powered by a different version of the Gnome-Rhône 14N.
