USS John Warner (SSN-785) is a nuclear powered Virginia-class attack submarine of the United States Navy.

[5] John Warner was originally to be built by the Electric Boat division of General Dynamics in Groton, Connecticut, but the contract was later transferred to Huntington Ingalls Industries Newport News Shipbuilding.

[6] The vessel supports 40 weapons, special operations forces, unmanned undersea vehicles, and the Advanced SEAL Delivery System (ASDS).

The name was announced on 8 January 2009, five days after John Warner, a Republican from Virginia, retired after serving 30 years as a United States senator,[7] making John Warner the 13th U.S. Navy vessel to be named for a living person in the last hundred years.

[10][11] On 14 April 2018, while on her first deployment,[12] USS John Warner took part in targeted strikes against Syrian military facilities.