Harry Potter Crossovers
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Changeling by GoWithTheFlo20 reviews
The wizarding world called her a Metamorphmagus, only because they had no other label to slap on her forehead. The truth was, Metamorphmagus was the closest thing to what Harry was that anybody could find, and even then, the tag was ill fitting. It was like calling a tiger a cat. Close, but not quite adequate. Changeling!Harry Fem!Harry
Crossover - StarTrek: Deep Space Nine & Harry Potter - Rated: M - English - Romance/Family - Chapters: 8 - Words: 42,990 - Reviews: 260 - Favs: 686 - Follows: 868 - Updated: 9/12 - Published: 12/13/2018 - Odo, Weyoun, Harry P.
The Heretic (II) by Anonymous Wandmaker reviews
Heretic is out of prison, building her way up in the world, while straying the line between hero and villain. In the Wizarding World, the Potters soon realize their daughter has been missing and with the threat of Voldemort, they worry that she just might not be safe out in the muggle world. But as they trace Leilani's footsteps, they begin to wonder... just what has she become?
Crossover - Harry Potter & DC Superheroes - Rated: T - English - Adventure/Drama - Chapters: 7 - Words: 25,688 - Reviews: 51 - Favs: 453 - Follows: 609 - Updated: 9/12 - Published: 11/16/2021 - OC, Harry P.
The Phoenix and the Serpent by Nimbus Llewelyn reviews
Book 3 of Child of the Storm. Secrets and lies, schemes and plots eons old - also, dating. All told, Harry's got quite a lot on his plate. Yet as great powers circle and plot, the stakes rise higher and higher, and Doctor Strange prepares for his final bow. As fateful choices are made, Harry has one last lesson to learn: everything has its time. And everything ends.
Crossover - Harry Potter & Avengers - Rated: T - English - Adventure/Fantasy - Chapters: 1 - Words: 1,486 - Reviews: 35 - Favs: 474 - Follows: 543 - Published: 9/12 - Harry P., Thor, Dr. Strange/Stephen S., Carol Danvers/Captain Marvel
Ghosts of the Past by Nimbus Llewelyn reviews
Sequel to Child of the Storm. Harry's life has changed a lot over the past year, what with the return of his father, Thor, murder attempts by everything from HYDRA assassins to Elder Gods keeping him on his toes and making a few new friends. But while Chthon and HYDRA are gone, all sorts of dark things have been stirred up, things thought long gone. And guess who they're after...
Crossover - Harry Potter & Avengers - Rated: T - English - Adventure/Fantasy - Chapters: 74 - Words: 1,077,848 - Reviews: 5058 - Favs: 3,910 - Follows: 4,439 - Updated: 9/12 - Published: 7/12/2016 - Complete
The Son of Storms by PerseusPeverell092 reviews
Vowing vengeance on the god who tricked his mother, a demigod must prove himself and learn to walk the path laid out before him...while dealing with the woes and worries of humanity and Gods alike
Crossover - Harry Potter & Percy Jackson and the Olympians - Rated: M - English - Supernatural/Adventure - Chapters: 4 - Words: 16,849 - Reviews: 43 - Favs: 366 - Follows: 545 - Updated: 9/12 - Published: 7/18 - Harry P., Percy J., Poseidon, Zeus
Dark Princess and her Knight by Avain1991 reviews
Time...space...these things mean little to the Dark One. To find a way to rid herself of the Dark One power Emma Swan instead found a knight to love her. However he was lost and now she looks for him once more. Once she does what will her influence mean for the plans of Dumbledore and Voldemort when the Dark One helps her reborn Knight...in Harry Potter. Rated T for now.
Crossover - Harry Potter & Once Upon a Time - Rated: T - English - Chapters: 2 - Words: 15,796 - Reviews: 19 - Favs: 119 - Follows: 152 - Updated: 9/12 - Published: 8/12 - [Harry P., Emma S.] Hermione G., Henry Mills
A New Legacy by Avain1991 reviews
Sequel to my fiction Legacy! With Harry and friends now in the Pokémon regions it's time to explore and live their new lives. But will the past stay laid to rest or will Harry create a New Legacy all his own! Rated T for language. May change in future. Harry/Hermione no other pairings decided right now.
Crossover - Pokémon & Harry Potter - Rated: T - English - Chapters: 3 - Words: 17,101 - Reviews: 29 - Favs: 506 - Follows: 687 - Updated: 9/12 - Published: 2/28 - [Harry P., Hermione G.] N. Tonks, Neville L.
Retour aux sources by Aranoll reviews
Chez Harry, la seule chose qui continue de vivre, c'est son corps. Complètement absent de sa propre vie, de sa propre existence, il finit par prendre conscience que la seule chose qui le sauvera de l'état léthargique dans lequel la guerre l'a laissé, c'est de repartir à zéro. Très loin. Même si des vampires et des loups-garous peu partageurs viendront se mettre sur sa route.
Crossover - Harry Potter & Twilight - Rated: M - French - Romance - Chapters: 29 - Words: 112,394 - Reviews: 179 - Favs: 245 - Follows: 308 - Updated: 9/12 - Published: 7/27/2021 - Harry P., Edward, Jacob, Seth
Harry Potter: Nephew of the Bat and the Cat! by JediRhydon reviews
Harry's has another aunt that was none other than Selina Kyle-Wayne, who actually saved him from the Dursley. Harry grows up happy with his aunt, uncle Bruce, cousins, and family butler, eventually becoming the Phoenix. When Harry's Hogwarts letter arrives, he decides to go to Hogwarts, he becomes a protector of the school.
Crossover - Batman & Harry Potter - Rated: T - English - Adventure/Romance - Chapters: 2 - Words: 8,365 - Reviews: 24 - Favs: 154 - Follows: 210 - Updated: 9/12 - Published: 7/27/2021 - [Bruce W./Batman, Selina K./Catwoman] [Harry P., Ginny W.]
Jack Frost and the Prisoner of Azkaban by Ugly-Duckling123 reviews
(book 3) Jack Frost, Harry Potter and their friends are starting their third year at Hogwarts come September, but this year they need to be more careful than last year because this year, there is a breakout from the wizard prison, Azkaban and he seems to be after Harry, but is that really the case..?
Crossover - Harry Potter & Rise of the Guardians - Rated: T - English - Chapters: 46 - Words: 85,641 - Reviews: 135 - Favs: 81 - Follows: 85 - Updated: 9/12 - Published: 6/4/2020
Mort, mon Beau-Père et Moi by La plume d'Eowin reviews
Qu'importe dans quelle prison il se retrouve,Loki s'en fiche: Ses garçons sont ensemble,sains et sauf. Seulement voilà, Harry ne va pas le laisser,et apparemment, Stark non plus. Le Roi de Hellheim s'élève, puissant, mortel..Et personne ne lui prendra son Père. La Magie rencontre alors les Avengers, et tous doivent apprendre à vivre ensemble. / Suite de MsDesR
Crossover - Harry Potter & Avengers - Rated: T - French - Romance/Family - Chapters: 25 - Words: 290,131 - Reviews: 346 - Favs: 664 - Follows: 727 - Updated: 9/12 - Published: 4/24/2019 - [Iron Man/Tony S., Loki] Harry P.
Child of Two Worlds by DjinnAtwood reviews
Il a été proclamé le Survivant, déclaré le Sauveur d'Angleterre et un héros pour un mensonge. Si Jon Stark doit devenir un héros, ce sera selon ses propres termes, et pas à cause des lubies d'une société d'hurluberlus. Heureusement pour lui, sa famille est là, et ne laissera personne lui marcher dessus.
Crossover - Harry Potter & Avengers - Rated: T - French - Family/Drama - Chapters: 68 - Words: 103,657 - Reviews: 442 - Favs: 512 - Follows: 664 - Updated: 9/12 - Published: 2/23/2017 - Harry P., Captain America/Steve R., Iron Man/Tony S.
Under the Hunters Moon by saxcuL. the all-knowing reviews
In which Lily Potter tries to summon Mother Magic, but through a miscalculation, she summoned another moon goddess entirely.
Crossover - Harry Potter & Percy Jackson and the Olympians - Rated: T - English - Hurt/Comfort/Family - Chapters: 34 - Words: 187,627 - Reviews: 290 - Favs: 803 - Follows: 984 - Updated: 9/12 - Published: 6/9 - [James P., Lily Evans P.] Harry P., Artemis - Complete
Snow Princess by RPM Shadow reviews
Elsa learns that there are others like her and accepts to go to Hogwarts. Bad summery, I know.
Crossover - Harry Potter & Frozen - Rated: K+ - English - Chapters: 9 - Words: 7,812 - Reviews: 52 - Favs: 12 - Follows: 17 - Updated: 9/11 - Published: 11/14/2021 - Harry P., Elsa
Master Xander by AlbertG reviews
The fight between Buffy and her friends against Glory was horrific. Buffy won and the portal was closed. But the damage was done. There were fractures everywhere. Years later Alexander Harris has to clean up one such mess before true evil enters this virgin world.
Crossover - Buffy: The Vampire Slayer & Harry Potter - Rated: T - English - Adventure/Supernatural - Chapters: 29 - Words: 97,667 - Reviews: 172 - Favs: 346 - Follows: 450 - Updated: 9/11 - Published: 3/13/2019
The Scientist's Lament by Agapostemon reviews
Following Al's restoration, the Truth sends the Elric Brothers to another universe with zero information. Neatly forged paperwork lands Ed a job teaching summer school remedial chemistry to children who are older than he is. Due perhaps to cosmic ineffability one of these summer school kids can lead the Elric brothers to precisely who the Truth had in mind. Book 6, Brotherhood.
Crossover - Harry Potter & Fullmetal Alchemist - Rated: T - English - Fantasy/Adventure - Chapters: 38 - Words: 165,248 - Reviews: 615 - Favs: 1,169 - Follows: 1,652 - Updated: 9/11 - Published: 11/13/2016
The Red Wizard by SilverHoodedKitsune reviews
After escaping Hogwarts in Harry's third year, Sirius went to the ICW and was pronounced innocent. Given guardianship over Harry, the two disappear from Britain and all the dangers that it holds. After a few adventures Harry settles in Kuoh to finish his muggle education. While there he meets some interesting people. AU after third year. Will be Harry/multi, adult situations.
Crossover - Harry Potter & High School DxD/ハイスクールD×D - Rated: M - English - Adventure/Humor - Chapters: 6 - Words: 29,373 - Reviews: 73 - Favs: 725 - Follows: 1,123 - Updated: 9/11 - Published: 6/14 - Harry P., Rias G., T. Koneko, Sona S.
Dark Blade of the Ministry by Primordial-wielder reviews
(AU) Harry and Hermione never saw Ron again after he walked out of that tent, no one did. Six years later though, the youngest Weasley son reappears and joins up with the Shadow Aurors. With the Dark Lord's forces regrouping, Ron and the rest of his team will strike out from the darkness and he will show everyone just how much Middle-Earth has change him...for better or for worse.
Crossover - Harry Potter & Middle-earth - Rated: M - English - Adventure/Romance - Chapters: 7 - Words: 33,069 - Reviews: 3 - Favs: 14 - Follows: 23 - Updated: 9/11 - Published: 8/21/2015 - [Ron W., Hermione G.] Harry P., Talion
The Afterlife-Paradise by Crazy.mad reviews
A mixture of hentai tropes, a worldbuilding story and a simple fiction of Porn with a lot of plot. OC SI into HP world where it's more hentaish but taken a lot more seriously. Readers warned; this will include untagged scenes so read at your own risk. will contain all sorts of fetishes.
Crossover - Harry Potter & Anime X-overs - Rated: M - English - Romance/Parody - Chapters: 2 - Words: 18,625 - Reviews: 2 - Favs: 58 - Follows: 64 - Published: 9/11 - [OC, Fleur D., Apolline Delacour, Lily Evans P.]
The Voyage of the Phoenix by LordCroussette reviews
When his pregnant wife is murdered by his two best friends, Harry decide to cross the Veil of Death to be reunited with his godfather Sirius, believing it to lead to another world. What he didn't expect was to land in the Caribbeans during the early 1700s. Well, he and Sirius have their own ship now, which they name the Phoenix, so why not use it to become legendary pirates?
Crossover - Harry Potter & Assassin's Creed - Rated: T - English - Adventure/Friendship - Chapters: 8 - Words: 32,576 - Reviews: 38 - Favs: 382 - Follows: 488 - Updated: 9/11 - Published: 3/15 - Harry P., Sirius B., Edward K.
From Lion’s To Roses by Sinful-Living13 reviews
Harry Potter just wants peace and quiet. Finding out Sirius is alive pushes him to go on a new adventure full of new possibilities and sorrows, will he be able to over come the challenges to face? Or will his famous potter luck finally run out? -slash-
Crossover - Game of Thrones & Harry Potter - Rated: M - English - Romance/Drama - Chapters: 9 - Words: 24,533 - Reviews: 35 - Favs: 232 - Follows: 364 - Updated: 9/11 - Published: 7/5 - Harry P., Jon S., Robb S., Sirius B.
Harry Potter Yugioh new emeny by DemonLordFox
Harry will lead a organization like was like Yilaster but instead is to Bring balance to world that Good and dark magic are equal?Z-one and His group will become nny peopLe from past Will be part and some will be in is is a crossover of Harry Potter and Vrains and It will have arcs and people from Yugioh to Yugioh Arc ring undecided
Crossover - Harry Potter & Yu-Gi-Oh! VRAINS - Rated: M - English - Romance/Adventure - Chapters: 2 - Words: 1,502 - Favs: 3 - Follows: 2 - Updated: 9/11 - Published: 8/30 - Harry P., Yusaku F./Playmaker
Sapphire Knight by Anomandris reviews
Putting children with dangerous enemies alone on trains can be a bad idea. Stabbing powerful objects to set off titanic explosions can also be a bad idea. But sometimes two bad ideas make a good one. Follow Sparhawk as he navigates the wizarding world while trying to smite evil with righteous fury, convert unsuspecting wizard children, and constantly correct people about his name.
Crossover - Harry Potter & David Eddings - Rated: T - English - Adventure - Chapters: 42 - Words: 80,874 - Reviews: 6 - Favs: 27 - Follows: 36 - Updated: 9/11 - Published: 8/10/2021 - Harry P.
Harry Potter, Wandering Magician by Woolleymammoth reviews
Goblet of Fire is far more than anyone expected, thrice denied entering, the goblet sends Harry to somewhere he can train and grow. What can a boy grow into with the right training and adventures?
Crossover - Harry Potter & Inheritance Cycle - Rated: T - English - Chapters: 1 - Words: 2,982 - Reviews: 4 - Favs: 41 - Follows: 61 - Published: 9/11
A Spy On Privet Drive by Yakuzaman5 reviews
Ten year old Anya Forger is the new girl on Privet Drive. After forming a friendship with the lonely and isolated Harry Potter, she finds herself his only confidant in the world outside Hogwarts.
Crossover - Harry Potter & Spy x Family - Rated: K - English - Friendship - Chapters: 17 - Words: 35,445 - Reviews: 156 - Favs: 370 - Follows: 486 - Updated: 9/11 - Published: 4/22 - Harry P., Anya Forger
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