HMS Pitt was a 74-gun third rate built for the Royal Navy in the 1810s. Left incomplete after her launching in 1816, she was finally completed in 183, but was never commissioned.
and launched on 13 April 1816 at Portsmouth Dockyard.
She never served any military function.
Pitt was sold for use as a "coal depot" in 1860, sitting In Portsmouth Docks but purely to hold coal brought in by sea from the north to serve the south of England. She was broken up in 1877.