One Piece Crossovers
Filters
4.1K | Page 1 2 3 4 11 .. Last Next »

A Marine in the Ninja World by xXYamchaXx reviews
Captain Koby of the Marines gets thrown from his ship and ends up in the Naruto World. How will the Marine Captain adjust to the world, and how will the world of one piece adjust to the presence of the talented pink haired marine.
Crossover - Naruto & One Piece - Rated: T - English - Adventure - Chapters: 5 - Words: 9,542 - Reviews: 8 - Favs: 16 - Follows: 26 - Updated: 1h - Published: 10/6/2019 - Coby
Game Breaker! by TheOneAndOnlyBanana reviews
Look, it's not MY fault the game bugged when I clicked two different worlds at the same time. Actually, I'm the victim! Getting thrown back and forth between One Piece and One Punch Man like a ragdoll isn't exactly what I call fun, and having a glitching out System doesn't make it easier! Well, guess I can't complain now. Might as well enjoy myself!
Crossover - One Piece & One Punch Man/ワンパンマン - Rated: M - English - Humor/Adventure - Chapters: 4 - Words: 54,055 - Reviews: 22 - Favs: 135 - Follows: 172 - Updated: 1h - Published: 1/6 - OC
Sin of the Tree by AgentKoji reviews
With the blood of the most villainous man flowing through his veins, Naruto was destined for a life of conflict. With his goal and the current age of piracy aligning like destiny, his existence will soon bring panic around the seas. After all, the apple doesn't fall far from the tree.
Crossover - Naruto & One Piece - Rated: M - English - Adventure/Romance - Chapters: 2 - Words: 7,853 - Reviews: 15 - Favs: 73 - Follows: 100 - Updated: 1h - Published: 7/24 - Naruto U.
DEATH the Mysterious Organization by Tre600 reviews
When a secret organization makes its move Naruto of the Ninja World and Luffy of the Straw Hat Pirates and their friends must unite to take out this evil group The longer they're together the more the horrible truth of the relationship between the World Government and Ninja World becomes clearer and on top of that the leader of this organization knows them all personally. Re-upload
Crossover - Naruto & One Piece - Rated: M - English - Adventure/Friendship - Chapters: 91 - Words: 320,971 - Reviews: 23 - Favs: 58 - Follows: 60 - Updated: 3h - Published: 11/11/2019
Rise of Hadrian D Pendragon (Book 2) by Merilwen-Vendethiel reviews
(Cross Posted on AO3)(Rated M) It's time for Hadrian to return to Hogwarts only this year he has a chamber and a sociopath to contend with. How bad will this year go that he needs to continually hide from his peers and his guard?
Crossover - Harry Potter & One Piece - Rated: M - English - Chapters: 14 - Words: 19,503 - Reviews: 4 - Favs: 19 - Follows: 20 - Updated: 4h - Published: 9/10/2022 - Harry P.
Shinobi On Board by LoneWolf-O1 reviews
After being transported to a world where Marines and Pirates fight on the sea, Naruto joins the adventures of the Straw Hat Pirates. Let's see what he gets up to. Rated M to be safe. Naruto/Harem.
Crossover - Naruto & One Piece - Rated: M - English - Adventure - Chapters: 54 - Words: 318,419 - Reviews: 782 - Favs: 2,329 - Follows: 2,401 - Updated: 5h - Published: 11/21/2015 - [Naruto U., Nami, Robin, Gina]
Heart Transplant by Anzer'ke reviews
Gloria Martinez knew how Night City worked. She knew Trauma Team wouldn't save her. She knew that nobody would care about someone like her. So the Surgeon of Death came as a hell of a surprise. Lost on an alien planet, far away from home. The Heart Pirates do what they do best.
Crossover - One Piece & Cyberpunk 2077 - Rated: T - English - Adventure/Romance - Chapters: 6 - Words: 35,971 - Reviews: 55 - Favs: 269 - Follows: 340 - Updated: 6h - Published: 10/5/2022 - Bepo, T. Law
Naruto On Board by LoneWolf-O1 reviews
What happens when Naruto joins the Straw Hat Crew? Read and find out. Story starts at the Arlong arc. Rated M to be safe. Naruto/Harem. In the process of being Beta'd. NOW IN WANO, so slow updates to let Anime/Manga update.
Crossover - Naruto & One Piece - Rated: M - English - Adventure - Chapters: 96 - Words: 501,805 - Reviews: 1484 - Favs: 3,409 - Follows: 3,164 - Updated: 7h - Published: 6/1/2013 - [Naruto U., Nojiko, Nami, Robin]
Finding a way home by markoalexandro42
Let's see what happens
Crossover - Naruto & One Piece - Rated: M - English - Adventure/Humor - Chapters: 1 - Words: 1,071 - Follows: 1 - Published: 8h
Ten's One Piece Harem Adventure by xXYamchaXx
To keep this simple this is simply a Tenshinhan harem adventure in One Piece.
Crossover - Dragon Ball Z & One Piece - Rated: T - English - Adventure/Romance - Chapters: 1 - Words: 2,965 - Favs: 2 - Follows: 2 - Published: 9h - Tien, Violet/Viola
Quirks? Do you eat those too? by nashandra reviews
A self-insert lands in the MHA world, only to think she's in the One Piece one. She proceeds to bring the latter's insanity to the former by copious amounts of Devil Fruit jailbreaking. Watch as the Copy Woman turns logic upside down and makes you question everything you knew, or her name isn't D (it isn't, she just calls herself one).
Crossover - One Piece & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Humor/Adventure - Chapters: 11 - Words: 68,370 - Reviews: 24 - Favs: 99 - Follows: 122 - Updated: 9h - Published: 6/11 - Toshinori Y./All Might, Kazuho H./Pop Step
Finding a way home by markoalexandro42
In an unknown place, unknown beings in an unknown force system, let's see what happens when Naruto and his friends end up in an assed place.
Crossover - Naruto & One Piece - Rated: T - English - Adventure/Humor - Chapters: 1 - Words: 1,032 - Published: 9h
One Piece: Reaper of Straw Hat Pirates by Wildanrdv
Someone who died and was reincarnated into a fictional world, but he also got the Mission to purify the Hollows who escaped from Hueco Mundo.
Crossover - One Piece & Bleach - Rated: M - English - Adventure/Fantasy - Chapters: 3 - Words: 6,419 - Favs: 4 - Follows: 6 - Updated: 14h - Published: 8/17 - OC
Rebirth of the Flames by xXYamchaXx reviews
To be simple, this is a story, where one Portgas D Ace ends up in the MHA World after his untimely end.
Crossover - One Piece & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Adventure - Chapters: 4 - Words: 8,536 - Reviews: 4 - Favs: 14 - Follows: 18 - Updated: 14h - Published: 8/12 - Ace
Digital Reincarnation by Sakura Alexia reviews
Her story had to be one of a kind, one that not even the craziest person in existence would ever believe nor tell, it was surreal even for those who still believed in legends and fairytales… and even more for herself. How? Someone would ask. She was dead, or rather she should have been. So then… why was she in a laboratory of some sorts?
Crossover - One Piece & Nier - Rated: T - English - Angst/Family - Chapters: 87 - Words: 309,856 - Reviews: 10 - Favs: 80 - Follows: 92 - Updated: 17h - Published: 12/22/2021 - Robin, 2B, 9S, A2
Coronation of the Next King by Azazael-X reviews
A 5 Year Old Gol D Naruto heard his father's final word and decided that it was him that would have to be the Next King. He was the Oldest Son of the Previous Pirate King after all. He was the heir to the Throne of the Pirate King. He will have to face many enemies. But he is also not weak. He will gain a Crew stronger then his fathers or even Rocks D Xebec. I made the Jolly Roger.
Crossover - One Piece & Naruto - Rated: K - English - Adventure - Chapters: 3 - Words: 14,903 - Reviews: 9 - Favs: 57 - Follows: 54 - Updated: 22h - Published: 7/30 - [Komurasaki, Naruto U.] [Yamato, Ace]
Is it wrong to do whatever you want just because you can? by shivajuha reviews
If you had your very own Isekai experience while having access to the Gura Gura No Mi and Haki powers, what would you do with all that? For Jay Rosée, the answer is clear: Screw being an average protagonist. He has the power to mess with the canon, and he will do just that. Why, you ask? Because it's fun, of course!
Crossover - One Piece & Dungeon ni Deai o Motomeru no wa Machigatte Iru Darou ka - Rated: T - English - Adventure/Fantasy - Chapters: 8 - Words: 92,568 - Reviews: 80 - Favs: 317 - Follows: 380 - Updated: 8/19 - Published: 1/3 - Bell C., Hestia, OC
Milenio Vacío II: Viejo Mundo by Sun Dancer 0880 reviews
Una serie de eventos ocasiona que All Might decida aprovechar la llegada de unos piratas del pasado para realizar un viaje hacia las ruinas de la Gran Linea.El joven grupo de héroes involucrados se entera de sus planes decidiendo traerlo contra su voluntad quedando a merced del tempestuoso mar, obligándose a cooperar con los piratas, descubriendo así en el camino...Un mundo perdido
Crossover - One Piece & My Hero Academia/僕のヒーローアカデミア - Rated: K+ - Spanish - Adventure/Friendship - Chapters: 36 - Words: 212,385 - Reviews: 40 - Favs: 17 - Follows: 19 - Updated: 8/19 - Published: 2/1 - Luffy, Strawhat Pirates, Toshinori Y./All Might, 1-A Students
The Butterfly Effect by Mayura0Karin reviews
In a second, the ninja world disappeared, discovering that it was just another island within the new world. Alone and devastated, in a world where her existence could be a danger to the world order, Sakura let herself go, waiting for her death until fate led her to certain pirates who gave her hope and a reason to live. Sakura embarks on a journey in a new world.
Crossover - Naruto & One Piece - Rated: M - English - Adventure/Romance - Chapters: 7 - Words: 38,365 - Reviews: 10 - Favs: 18 - Follows: 29 - Updated: 8/18 - Published: 7/30 - [Sakura H., Ace] Luffy
Void Millennium II: Lost World by Sun Dancer 0880 reviews
All Might decides to take advantage of the arrival of an unknown pirate crew from the past to make a voyage to the ruins of the Red Line. Simultaneously, the heroes engaged learnt of his plans and decided to bring him back against his will, leaving themselves at the mercy of the wild sea, forcing them to cooperate with the pirates and discovering along the way... A lost world.
Crossover - One Piece & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Friendship/Adventure - Chapters: 8 - Words: 57,620 - Reviews: 4 - Favs: 16 - Follows: 14 - Updated: 8/18 - Published: 7/21 - Luffy, Strawhat Pirates, Toshinori Y./All Might, 1-A Students
A Clash of Devils by JokerGames1999 reviews
The devil fruits, mysterious fruits filled with amazing powers. Ever since the First Men crossed over to Westeros they have learned to harness these strange abilities. How will the devil fruits change the game of thrones? (co-author tapir07)
Crossover - One Piece & A song of Ice and Fire - Rated: M - English - Adventure/Drama - Chapters: 5 - Words: 14,690 - Reviews: 6 - Favs: 19 - Follows: 26 - Updated: 8/18 - Published: 7/12 - Luffy, Jon S.
Whisker-marked Pirates by Dendras reviews
While many choose a safe and comfortable life, a daring and adventurous Blond with a whisker-marked face sought to see and experience the ever-expanding world. With a smile on his face, he embarked on an adventure that would change the world, for better or for worse. Big AU and slightly darker world.
Crossover - Naruto & One Piece - Rated: T - English - Adventure - Chapters: 4 - Words: 18,489 - Reviews: 14 - Favs: 36 - Follows: 40 - Updated: 8/18 - Published: 7/18 - Naruto U.
The Pyro in Harry's Head by triwizard17 reviews
Harry knew he should have ignored the mysterious fruit. But it was right there! So what if it looked a little weird? He was starving and food was food. He didn't expect to find a spirit or set himself on fire, though. Whoops?
Crossover - Harry Potter & One Piece - Rated: T - English - Hurt/Comfort/Fantasy - Chapters: 2 - Words: 3,793 - Reviews: 2 - Favs: 24 - Follows: 31 - Updated: 8/17 - Published: 8/13 - [Harry P., Ginny W.] Ace
The D Stands For Deku by Duke9295 reviews
Years after the death of the King of the Pirates, two boys set off for the Grand Line. One to be a Marine Admiral, the other to be King of the Pirates. This is their story.
Crossover - One Piece & My Hero Academia/僕のヒーローアカデミア - Rated: M - English - Adventure/Fantasy - Chapters: 1 - Words: 3,727 - Reviews: 1 - Favs: 5 - Follows: 7 - Published: 8/17 - Izuku M.
Chronicles of a Pirate by Morpheus The Dream Lord reviews
When Uzumaki Naruto was young, he met a girl that had been blown overboard by pirates. That girl, whose name he'd discover is synonymous the world over, is wanted by the World Government. After falling for her, he decided to give up on his dreams of being a naval officer and instead chose another path. The path of piracy. Why? To protect what he loves the most
Crossover - Naruto & One Piece - Rated: M - English - Adventure/Mystery - Chapters: 8 - Words: 31,007 - Reviews: 77 - Favs: 430 - Follows: 520 - Updated: 8/16 - Published: 5/23/2016 - Naruto U., Robin
4.1K | Page 1 2 3 4 11 .. Last Next »