The Infantry Regiment Großdeutschland was an élite German Army ceremonial and combat unit which saw action during World War II. Originally formed in 1921 it was known as the Wachregiment Berlin. Renamed Infanterie-Regiment Großdeutschland in 1939, the regiment served in the campaigns in France and the Low Countries. It then served exclusively on the Eastern Front until the end of the war. It was destroyed near Pillau in May 1945.

The Panzergrenadier Division "Großdeutschland", also commonly referred to simply as Großdeutschland or Großdeutschland Division, was an elite combat unit of the German Army that fought on the Eastern Front in World War II.