No. 43 (Royal Marine) Commando or 43 Commando was a unit of Royal Marines trained as Commandos during the Second World War. They served in the 2nd Special Service Brigade in the Mediterranean, Italy and the Adriatic.
They were disbanded in the aftermath of the Second World War then reformed and disbanded again in the 1960s.
In 1980 43 Commandos traditions and colours were continued by Comacchio Company Royal Marines formed to protect the United Kingdoms independent nuclear weapons. In 2001 Comacchio Company was renamed the Fleet Protection Group Royal Marines.