HMS Speedy was a Halcyon-class minesweeper that saw service in the Royal Navy during the Second World War. She was built by William Hamilton & Co. at Port Glasgow, Scotland and completed at J. S. White & Co. at Cowes, Isle of Wight. She was commissioned in 1939. Her pennant number was N 17, later J 17. HMS Speedy saw service in the Mediterranean Sea based at Malta as part of 14th/17th Minesweeper Flotilla.