Anime Underground

The Best One Piece Fanfiction, Ranked

Do you love One Piece? While the series itself is long enough to keep fans busy for a long time, you might want to explore aspects of the series that just aren't covered in canon. That's where fanfiction comes in. Skilled writers flex their creativity to bring their versions of One Piece to life. This list features some of the best One Piece fanfiction that's out there. 

Some good One Piece fanfic focuses on romantic relationships between members of the Straw Hat crew - something that's definitely not happening in canon. Others send the characters on new adventures or imagine how their lives might change if something were different. What if Luffy were raised by Whitebeard instead of Garp? What if Luffy weren't human? Some of these stories will take you minutes to read, while others offer weeks or months worth of entertainment - one story on the list is over a million words long.

Use this list to help you find some of the best One Piece fanfiction. If you see one that you already enjoy or find a new one worth reading, show these hardworking authors a little love and vote it up.

list ordered by
  • Boy With a Scar

    Boy With a Scar

    by Syluk

    Luffy disappeared a day after Sabo died. Four years later he came back with a slave brand, burned into his flesh. Whatever happened to him, made Luffy view the world differently. Follow him on his journey to become the Pirate King, the freest person in the world, as snippets of his past slowly reveal itself to his crew. (AU, stronger/more mature/darker/jaded Luffy, no romance)

    Read Here

  • Young and Built to Fall

    Young and Built to Fall

    by fingers-falling-upwards

    Ace will save his nakama. He will save his father. And he will save his little brother and ensure Luffy's happiness even if it kills him. Again. Thankfully, he won't be doing it alone. Together, he and Luffy will change the world.

    Read Here

  • Mist of Memories

    Mist of Memories

    by HeroR

    Guilt, regret, if left alone these feelings will consume even the strongest of souls. That is the reality the Strawhats face as they go into their captain's memories to save their precious crewmate. To free their captain's from his guilt, they must first understand the depths of his pain and loss.

    Read Here

  • To Build a Home

    To Build a Home

    by endlessblankpages

    The ASL pirates are used to being accused of crimes they didn't commit. But when they're accused of destroying a small village in the New World, it sends them hurtling toward a deadly confrontation with the strongest man in the world, Whitebeard. The results are not what they were expecting.

    Read Here

  • Unsinkable


    by RikoJasmine

    The Straw Hats find out that their captain has one hell of a family. When asked about his mother’s whereabouts, Luffy simply grins and throws his arms out, gesturing to the endless expanse of sea around them. With complete sincerity, he replies, “The ocean is my mother!”

    An AU where Luffy isn’t entirely human, and water affects him differently than other Devil Fruit users.

    Read Here

  • Exclusivity


    by taizi

    A stranger flirts with the oblivious Luffy, and the Straw Hat Pirates reveal a possessive streak.

    Read Here

  • Second Wind

    Second Wind

    by The-Lost-Samurai 

    Luffy and Zoro awaken in two different parts of East Blue, both with the same thing on their mind. Protect the crew. There would be no failures this time around, Captain's orders. As bits and pieces of the unknown past that the two comrades share are gradually revealed, the rest of the crew can only speculate. For all their absolute resolve, they're hiding something. 

    Read Here

  • This Bites!

    This Bites!

    by Xomniac 

    Sea Kings, sea-sickness, sunburns, a 95% genocidal Navy and more than a million and one other assorted ways to die. It's official: Being inserted into an anime sucks ***. Buuut I guess it could be worse. I mean, look on the bright side: At least I'm sailing with the future king of the pirates. 

    Read Here

  • Warm Memories and Brotherly Bonds

    Warm Memories and Brotherly Bonds

    by RoseDragonWitch

    In the middle of some strange ruins, Luffy disappeared. As the rest of the Straw Hats try to find him, they end up travelling through his memories and are trapped in the past, with no idea to how to get out or how to find their captain. But not all things are meant to be seen… how will they take to seeing what had Luffy been hiding from them?

    Read Here

  • Ten Years Difference

    Ten Years Difference

    by Stormy1x2

    It's amazing what differences there would be if there were a ten-year age difference between Ace and Luffy. For one thing, how on earth could Ace possibly feel good about himself leaving Foosha Village if his brother had been six-and-a-half instead of the canon fourteen?

    Read Here

  • It Takes A Village (Or A Pirate Crew)

    It Takes A Village (Or A Pirate Crew)

    by MarzBarz 

    Dragon asks Whitebeard to take care of his infant son, Luffy. Life on the Moby Dick is never the same. 

    Read Here

  • Once Again

    Once Again

    by TheVictor

    A 7-year old Luffy is approached by his future self. It seems Luffy's entire crew died at the hands of Fleet Admiral Akainu right after defeating the Yonkou Kaidou. Follow a much stronger, smarter Luffy as he repeats his adventure, hoping to avoid the same fate as well as correct some mistakes.

    Read Here

  • With Allies Like These

    With Allies Like These

    by Kereea

    Ace and the Whitebeard pirates are having serious issues hanging onto their territory when faced with Blackbeard, the rest of the Worst Generation, and that new brat Weevil. Marco suggests an alliance with a new superpower on the block: Ace’s brother Luffy, who has recently acquired a fleet and another alliance, as well as the enmity of two of the Emperors.

    But Ace finds himself a bit more concerned about his brother’s so-called “ally” Trafalgar Law…

    Read Here

  • Rewind (Be Kind)

    Rewind (Be Kind)

    by donutsandcoffee

    What should be a run-of-the-mill skirmish with a devil fruit user turned Sanji into an eight-year-old, and the Strawhats are suddenly faced with a version of Sanji they have never met before: a Sanji before the Strawhats, before the floating restaurant, but after—something.

    Zoro observes, learns, and relearns.

    Read Here

  • The Trouble With Eastern

    The Trouble With Eastern

    by teaandtumblr

    I one day wanna see a One Piece AU where everyone actually speaks different languages. Like, perhaps there’s a language that’s spoken in 95% of the world and everyone is bilingual.

    Expanding on the above prompt, what would happen if everyone on the Grand Line really did speak different languages? A couple of little explorations done here and there.

    Read Here

  • unintended consequence

    unintended consequence

    by itsmylifekay

    Imagine person A making person B a friendship bracelet, expecting person B to never wear it, but when it’s given to them person B puts it on and is rarely seen with it off.

    A group of marines charge, Zoro slices through them, and in that instant Sanji feels his own eyes grow wide. Because there, on the arm now outstretched towards him, steel glinting in hand, is the stupid bracelet he’d given Zoro.

    Read Here

  • one for the money, two for the show

    one for the money, two for the show

    by donutsandcoffee

    The sign, standing unassuming outside the Grand Line Coffee Shop in a handwriting Sanji recognizes as Usopp’s, says:

    You give me your number.

    Or, the one coffee shop au where Usopp pulls a prank, Sanji is unexpectedly (read: completely unexpected to him and only him) popular among the male population of their campus, and Zoro just wants to grab a coffee.

    Read Here

  • no matter how much everything hurts

    no matter how much everything hurts

    by Tsume_Yuki

    In a universe where you can accept half the pain your soulmate is feeling, Luffy wishes he could take it all on.

    Read Here

  • Poison All It Touches

    Poison All It Touches

    by Kereea

    Boa Hancock summons the crew to deal with trouble in the form of Vinsmoke Reiju, and Sanji has to confront the fact that his family is definitely on the hunt for him and will hurt his friends and their friends to lure him out.

    Read Here

  • Deep


    by CharlieNozaki

    As a marine biologist with the Bio-Aquatic Rescue and Testing Institute of East Blue (B.A.R.A.T.I.E.), Sanji has encountered his fair share of underwater life. But none quite like the ball of algae that flops on-deck one fateful day…

    Read Here

  • Sol Invictus

    Sol Invictus

    by toraffles

    Even as she stormed through the world like an atomic bomb, Luffy knew she couldn't protect everybody with these two small hands. Of course, she knew that. But she could try. With these memories of that other world, by god would she try. Fem!Luffy.

    Read Here