Fall Weiss (German orthography ''Fall Weiß'' translated as Case White following the German military's naming convention) may refer to two military operations:
*
Fall Weiss (1939)
Fall Weiss ("Case White", "Plan White"; German spelling ''Fall Weiß'') was the German strategic plan for the invasion of Poland. The German military High Command finalized its operational orders on 15 June 1939 and the invasion commenced on 1 S ...
, the German invasion of Poland
*
Case White (1943), an Axis operation against the Yugoslav Partisans throughout occupied Yugoslavia, ending in the Battle of the Neretva
{{disambiguation
ja:白作戦