A
- Captain Jesamiah Acorne - is Captain of the Sea Witch and featured in the Sea Witch Series of historical fantasy adventure novels by British author Helen Hollick.
- Morgan Adams - is the captain of the Morning Star, played by Geena Davis in the film Cutthroat Island.
- Pirates of Algarth - (no individual names given) are major villains in "The Clocks of Iraz" by L. Sprague de Camp.
- Captain Anton - is the leader of villainous space pirates in Asimov's "Lucky Starr and the Pirates of the Asteroids".
- Atomsk - is the alien pirate king in the anime FLCL.
- Jean-Benoit Aubéry - a sympathetic and romantic 17th Century pirate in Daphne du Maurier's "Frenchman's Creek".
- Tom Ayrton's former crew of pirates and their pirate captain Bob Harvey who sailed on their pirate brig the Speedy in The Mysterious Island by Jules Verne.
Read more about this topic: List Of Fictional Pirates