Swordfish has several meanings:

• A type of fish, see Swordfish
• The name of a spaceship belonging to Spike Spiegel, one of the main characters in the anime series Cowboy Bebop, see Swordfish II
• A British carrier-based, biplane torpedo bomber whose most important uses were in sinking the German battleship Bismarck and in the Battle of Taranto, see Fairey Swordfish
• A movie starring John Travolta, see Swordfish (movie)
• The name of two submarines in the United States Navy, see USS Swordfish