The fourth HMS Hercules was a Colossus-class dreadnaught battleship built by Palmers, Jarrow, launched on May 10, 1910, and commissioned on July 31, 1911 at Portsmouth. She was a 20,000-ton dreadnought, mounting 10 12 inch (305 mm) guns and capable of 21 knots (39 km/h).

HMS Hercules served in the First World War  and was broken up for scrap in 1921.