Captain Jack
- Battle of Milk Creek
- Booze Cruise (The Office)
- Captain Jack (Billy Joel song)
- Captain Jack (Captain Jack song)
- Captain Jack (Hawaiian)
- Captain Jack (film)
- Captain Jack (group)
- Captain Jack Harkness (Torchwood episode)
- Jack Aubrey
- Jack Harkness
- Jack Sparrow
- Jack Sparrow (song)
- John Rackham (pirate)
- John Wallace Crawford
- Kadlitpinna
- Kill the Alligator and Run
- Kintpuash
- List of Torchwood characters
- Nicaagat
- Racing Mars
- Stephen Jackson
- The Rivals