HMS H11

HMS H11 was a British H-class submarine built by Fore River Yard, Quincy, Massachusetts. She was laid down on an unknown date and was commissioned in 1915.

HMS H11 along with HMS H12 to HMS H20 were all built in America but were interned by the United States government until the USA entered World War I.

HMS H11 was sold on 20 October 1920 in Dover and lost on tow to the breaker's yard. The wreck was identified by marine archaeologist Innes McCartney in 2007.