HMS Ambush is an Astute-class nuclear fleet submarine of the Royal Navy, at present fitting out. Ambush was ordered from GEC's Marconi Marine (now BAE Systems Submarine Solutions) on 17 March 1997. She was laid down at Barrow-in-Furness on 22 October 2003, officially named on 16 December 2010, launched on 6 January 2011and is expected to begin sea trials by 2012.
Ambush is affiliated to:
- The city of Derby
- The Dolphin ward of Royal Derby Hospital
- The Sea Cadet unit TS Kenya
- Rolls-Royce Marine Division, Derby