Five ships of the Royal Navy have borne the name HMS Grappler:
HMS Grappler was a 12-gun gunvessel launched in 1797 and wrecked and burnt in 1803.
HMS Grappler was an iron paddle vessel launched in 1845 and sold in 1850.
HMS Grappler was a mortar vessel launched in 1855, renamed MV18 later that year, and hulked in 1866. She was sold in 1896.
HMS Grappler was an Albacore-class gunboat launched in 1856 and sold into mercantile service in 1868.
HMS Grappler was a composite screw gunboat launched in 1880. She became a boom defence vessel in 1904 and was sold in 1907.
