Kamasan – A well known maker of quality hooks.
Kayak – A small canoe normally of the sit on top type becoming increasingly popular and effective for inshore fishing.
Keeper ring – A small ring just above the rod handle to retain the hook when not in use.
King ragworm – The name given to a large specimen of Polychaete ragworm which can be 15mm thick and 450mm long. It has strong, sharp pincers.
Knot – A method of attaching line to hooks, swivels, lures etc. Also the unit of speed used at sea.