Astute

Astute may refer to:


 * HMS Astute (P447), launched 1945, Amphion-class submarine (United Kingdom), scrapped 1970
 * HMS Astute (S119), launched 2007, nuclear-powered attack submarine (United Kingdom)
 * Astute-class submarine, a class of which HMS Astute (S119) is the lead ship
 * USS Astute (AM-148), US Navy minesweeper
 * Operation Astute, an Australian military operation in response to the 2006 East Timor crisis