Yellow jack (disambiguation)
The yellow jack is a species of offshore marine fish in the jack family.
Yellow Jack(s) or Yellowjack(s) may also refer to:
- Yellow fever, an acute viral disease.
- Yellowjack, a name of the dragonfly Notogomphus praetorius
- Yellow Jack (play), a 1934 American play about the search for the causes and treatment of yellow fever.
- Yellow Jack, a 1938 film adaptation of the play.
- Yellow Jack (flag), a yellow flag used to identify ships quarantined due to the presence of disease.
- Yellowjacks, an aerobatic display team of the Royal Air Force