Harry Potter Crossovers
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House of Slayer 3: The Slayer, The Witch & The Key by Brenna's Urbangirl Projects reviews
After learning that Hermione Granger is their long-lost sister. Dawn and Buffy, after accepting Dumbledore's offer to help protect Dawn, head to Hogwarts.
Crossover - Buffy: The Vampire Slayer & Harry Potter - Rated: T - English - Adventure/Fantasy - Chapters: 23 - Words: 126,193 - Reviews: 18 - Favs: 22 - Follows: 34 - Updated: 10/29 - Published: 9/3 - Buffy S., Dawn S., Hermione G.
Harry Addams by kingleo.chuenchom reviews
What if Harry had killed the Dursley, What if Harry got adopted by the Addams Family and what if Harry meets Ciel Phantomhive and he was Harry mate and what if Harry got put into Slytherin how well things change. This fanfic has Yaoi in it if you don't like it please don't read it thank you
Crossover - Harry Potter & Kuroshitsuji - Rated: M - English - Hurt/Comfort/Romance - Chapters: 7 - Words: 12,424 - Reviews: 41 - Favs: 147 - Follows: 175 - Updated: 10/29 - Published: 10/31/2019 - Harry P., Ciel P.
Of Coins And Crosses by Lords of the Dead reviews
Knights of the Cross and Fallen Angels. A war as old as time itself. But what happens when a child called Harry Potter and a genocidal wizard named Tom Marvolo Riddle are thrown into its center? What if he was raised by a Knight of the Cross and the Dark Lord was host to a Fallen Angel? What will be the fallout of this epic conflict - will it be the world's salvation, or its ruin?
Crossover - Harry Potter & Dresden Files - Rated: T - English - Adventure/Drama - Chapters: 17 - Words: 159,925 - Reviews: 7 - Favs: 45 - Follows: 68 - Updated: 10/29 - Published: 12/29/2022 - Harry P., Albus D., Michael C., Molly C.
Harry Potter and the Order of the Dragon by DRAGONDAVE45 reviews
With the events of the Tri-Wizard Tournament making worldwide magical news, a fateful decision is made. After all, family is family. This choice also coincides with events that will shake the wizarding world to its very core. The arrival of an aunt and cousin from America will drastically change the life of "The-Boy-Who-Lived". Rated M for potential lemons.
Crossover - Harry Potter & Firebreather - Rated: M - English - Adventure/Family - Chapters: 19 - Words: 88,818 - Reviews: 135 - Favs: 466 - Follows: 525 - Updated: 10/29 - Published: 7/1/2019 - Harry P., Fleur D., Duncan R., Margaret R.
Vishanti Sanctorum aka the Power of Love by LittleMiddleA reviews
When Natalia Alianovna "Natasha Romanoff" Romanova aka Black Widow died to save the universe she didn't expect to live again. When Lily Potter died while protecting her son, she didn't expect to come back as a ghost. Or how Natasha became the guardian/mother of the Boy-Who-Lived and was the only one who could see Harry's dead mother Lily. Crossing dimensions was a pain.
Crossover - Harry Potter & Avengers - Rated: M - English - Family/Suspense - Chapters: 1 - Words: 2,170 - Reviews: 2 - Favs: 18 - Follows: 25 - Published: 10/29 - James P., Lily Evans P., Black Widow/Natasha R., Bucky Barnes/Winter Soldier
Harry Potter the Sorcerer Supreme by FavoriteAuthor reviews
When Lily was pregnant with Harry, she knew that he would grow up to become one of the strongest practitioners of magic in the world. But she likely never expected he would become the Next Sorcerer Supreme in the Marvel Cinematic Universe. The real Master of Death has arrived in the MCU prepared for what comes next, but is it prepared for him. Full of Villians, Heros, Costumes and
Crossover - Harry Potter & Avengers - Rated: T - English - Romance - Chapters: 2 - Words: 10,680 - Reviews: 9 - Favs: 266 - Follows: 427 - Updated: 10/29 - Published: 10/8 - [Harry P., Black Widow/Natasha R.] Iron Man/Tony S., Dr. Strange/Stephen S.
Harry Potter and the Boy From Tatooine by FavoriteAuthor reviews
As a reward for saving the wizarding world, Harry has the fate of an entirely new galaxy placed on his shoulders. A galaxy ... far, far away. Can Harry save the Jedi or will he chose power and doom the galaxy ...?
Crossover - Star Wars & Harry Potter - Rated: T - English - Romance/Adventure - Chapters: 7 - Words: 29,428 - Reviews: 74 - Favs: 460 - Follows: 779 - Updated: 10/29 - Published: 9/17 - [Harry P., Padmé Amidala] Anakin Skywalker, Ahsoka T.
Harry Potter and the Recusant Successors by NonsensicalRants reviews
When the sirens began wailing Harry feared the worst, but it was not nukes or even asteroids falling upon them, but the flagships of no fewer than three warring extra-galactic factions. He soon found himself embroiled not only in their war, but the unwilling successor to the Sith ideology.(Order of the Phoenix X Son of Dathomir)
Crossover - Harry Potter & Star Wars - Rated: T - English - Sci-Fi/Angst - Chapters: 11 - Words: 35,738 - Reviews: 113 - Favs: 604 - Follows: 897 - Updated: 10/29 - Published: 4/13/2019 - [Harry P., N. Tonks] Darth Maul
Brokenness is all I have by clarejean04 reviews
Kairi Redfield-Hewley was a girl that had a horrible time lately, and it got worse when she was kidnapped by Molly Weasley. But during the dinner time at Sirius's house, she saw her first dads she had in her life, Angeal Hewley and Sephiroth. How will she tell them of everything that had happened since the stigma accident? Would she even defeat Voldemort or survive the school year?
Crossover - Resident Evil & Harry Potter - Rated: M - English - Fantasy/Family - Chapters: 1 - Words: 1,995 - Reviews: 1 - Published: 10/29 - Chris R., Harry P., OC
We Come from Different Places but Have the Same Name by TheOtherSideOfEverything reviews
Despite her son's best efforts, Melissa McCall knows about the supernatural. After all, she wasn't always a nurse. Maybe it's time to step out of retirement and show the puppies how a Pack really works. -FemHarry is Melissa- Peter Hale/Melissa McCall
Crossover - Harry Potter & Teen Wolf - Rated: T - English - Romance/Adventure - Chapters: 6 - Words: 5,447 - Reviews: 36 - Favs: 414 - Follows: 552 - Updated: 10/29 - Published: 10/2/2022 - Harry P., Scott M., Melissa M., Peter H.
The Boy who played with Fire by TimeTraveller-1900 reviews
A series of one-shots featuring Harry Potter as he decides enough is enough, throwing a burning Molotov cocktail at the Dursleys before he is confronted with a magical world that hates him because his parents are escaped Death Eaters.
Crossover - Harry Potter & Millennium Trilogy - Rated: M - English - Horror/Mystery - Chapters: 1 - Words: 950 - Reviews: 1 - Favs: 12 - Follows: 13 - Published: 10/29 - Harry P.
We Bonded by TimeTraveller-1900 reviews
A series of one-shots showing an abused Harry who escaped the Dursleys at the age of 6, and met the Venom symbiote who changed his life. Quickly becoming a dark, vicious lethal predator in the city, manipulating minds and eating brains and body parts, Harry/Venom have a bigger battle; the magical world, especially when they learn Harry's parents are believed to be Death Eaters.
Crossover - Harry Potter & Venom - Rated: M - English - Horror - Chapters: 1 - Words: 2,089 - Reviews: 3 - Favs: 31 - Follows: 35 - Published: 10/29 - Harry P.
Mischief in New York by al207409 reviews
20-year-old Harry Potter takes up Fred and George's offer to oversee the trio's new branch of WWW that is opening in New York City. After finding that Tony Stark is his biological father, he gets involved with the Avengers.
Crossover - Harry Potter & Avengers - Rated: T - English - Adventure/Humor - Chapters: 11 - Words: 39,668 - Reviews: 26 - Favs: 276 - Follows: 415 - Updated: 10/29 - Published: 10/15 - Harry P., Dobby, Iron Man/Tony S., Loki
Doe - Patronus, Sent by Snape by Russian Bear
When Hermione decided to teach her friends to sing, she used the tune from 'The Sound of Music' with slightly altered lyrics.
Crossover - Harry Potter & Sound of Music - Rated: K - English - Poetry/Friendship - Chapters: 1 - Words: 118 - Published: 10/29 - Hermione G. - Complete
The Last Tale by GodsgiftFires reviews
This is the tale of the torchbearer of change and the wizarding world's end times. Three centuries have passed since the end of the great conflict that was the century of blood. The ones responsible for this destruction are slowly becoming dark legends. Nevertheless, the spirit of the great pariah Goody Addams has found its new host–the infamous Wednesday Addams.
Crossover - Harry Potter & Wednesday - Rated: M - English - Adventure/Fantasy - Chapters: 7 - Words: 16,978 - Reviews: 10 - Favs: 89 - Follows: 119 - Updated: 10/29 - Published: 2/2 - [Harry P., Wednesday A.] Ron W., Hermione G.
El caos es una obligacion by nightgt429 reviews
cuando un incidente te catapulta a una nueva vida, lo unico que uno puede hacer es apretar las nalgas y avanzar hacia lo inevitable, aunque con la ayuda de un poder superior detras de tu espalda solo la diversion y el caos tendran lugar en la tierra, ya que si a el lo convierten en ella nadie tiene derecho a algo de tranquilidad
Crossover - Harry Potter & Anime X-overs - Rated: M - Spanish - Humor/Adventure - Chapters: 70 - Words: 362,137 - Reviews: 11 - Favs: 36 - Follows: 40 - Updated: 10/29 - Published: 8/31/2022 - OC, Daphne G.
The Magic of Sunnydale by lateVMlover reviews
This is the 3rd installment to my Americans in Hogwarts series that began with "Magical Connections" and follows, "Invasion U.S.A." Will Buffy survive dealing with Angelus on the hellmouth if he teams up with the Mayor? Will Draco survive going to a muggle high school especially if it's on the hellmouth? How will the twins handle their new gig as vampire hunters? Read to find out!
Crossover - Buffy: The Vampire Slayer & Harry Potter - Rated: K+ - English - Family/Drama - Chapters: 2 - Words: 8,799 - Reviews: 2 - Favs: 3 - Follows: 6 - Updated: 10/29 - Published: 10/13 - Buffy S., Cordelia C., Draco M., Severus S.
PUCCA EN HARRY POTTER Y LA PIEDRA FILOSOFAL by perlapuccabf reviews
Pucca siempre supo que su vida no era normal, era obvio cuando se volvió amiga de un dragón, peleaba con una chica que podía estirar su cabello y entre tantas cosas más extrañas. Pero a pesar de todo eso, jamás se imaginó que una carta de Hogwarts llegaría a su puerta y pondría su mundo y su corazón de cabeza.
Crossover - Harry Potter & Pucca - Rated: K - Spanish - Adventure/Romance - Chapters: 14 - Words: 24,866 - Reviews: 2 - Updated: 10/29 - Published: 9/29 - Harry P., Draco M., Garu/가루, Pucca/뿌까
DEATH COMES TO EVERYONE by AslanLionHeart310 reviews
A betrayed Harry James Potter gathered the Deathly Hallows. Leaving behind a world filled with bigotry, prejudice and betrayals, he became the embodiment of Death elsewhere in a world created by two Twin Gods : Remnant. Millenniums after his arrival, after meeting someone, he decided it was time to came out of the Shadows. How will the people of Remnant react to his presence ?
Crossover - Harry Potter & RWBY - Rated: T - English - Fantasy/Supernatural - Chapters: 15 - Words: 52,091 - Reviews: 25 - Favs: 176 - Follows: 210 - Updated: 10/29 - Published: 10/5 - Harry P., OC, Salem
Test Chapters by JustBored21 reviews
These are just a bunch of test chapters for future stories I may or may not do. This includes chapters from stories that are options to vote for in my polls.
Crossover - Harry Potter & Avengers - Rated: M - English - Chapters: 37 - Words: 49,720 - Reviews: 825 - Favs: 346 - Follows: 373 - Updated: 10/29 - Published: 3/26/2021
Fixing Gaia by jenniebennie reviews
Harry has been in hiding for many years, but with Gaia falling he has to face the world to find a ritual to turn back time. Now if only people would leave him be, and no Soulmate or scientist is gonna stop him.
Crossover - Harry Potter & Final Fantasy VII - Rated: M - English - Chapters: 6 - Words: 24,332 - Reviews: 5 - Favs: 35 - Follows: 39 - Updated: 10/29 - Published: 2/7 - Harry P., Cloud S.
Helena Potter's Journey (Rewrite) by Pheles65 reviews
Tired of the Wizarding World expecting so much from her, and an unwanted Marriage Proposal she has no control over. Helena Potter decided to leave her world with the assistance of two beings. Now she'll work hard to earn her name in this new world filled with fascinating creatures and build her new life with her new family and friends. That is until the past returns and finds her.
Crossover - Pokémon & Harry Potter - Rated: T - English - Adventure/Family - Chapters: 90 - Words: 342,454 - Reviews: 777 - Favs: 852 - Follows: 937 - Updated: 10/28 - Published: 4/27/2022 - [Steven S./Daigo, Harry P.]
Harry Potter got trained by Driver1985 reviews
On the night Harry would have been dropped off by his Aunt, Dumbledore had someone else in mind. What if Harry was taken in by other strong people and they even decided to train him? Trained to be a Warrior by Wolves and the UNSC, he will change the world. OP, smart, trained Harry, small harem double cross with Witcher and Halo
Crossover - Harry Potter & Halo - Rated: M - English - Fantasy/Sci-Fi - Chapters: 86 - Words: 431,952 - Reviews: 357 - Favs: 752 - Follows: 884 - Updated: 10/28 - Published: 9/30/2021 - [Harry P., Hermione G., Daphne G.] Master Chief/John-117
The raven the spider and The moth by The king of werewolves reviews
Summary Harry Dies at the age10 Before he Can turn 11 Now harry finds himself in hell And working at a questionable Establishment Will he be able to change the heart I have 1 of hell's Most dangerous Overlords Find out In my new story The raven the spider and the moth
Crossover - Harry Potter & Hazbin Hotel - Rated: M - English - Romance/Hurt/Comfort - Chapters: 4 - Words: 2,322 - Reviews: 3 - Favs: 10 - Follows: 9 - Updated: 10/28 - Published: 9/10 - Angel Dust, Harry P.
Primate Murder Through a Multiverse by Geokit reviews
Kisuke a normal human died and was given a second chance with a system to cause chaos in the multiverse read along as he becomes the ultimate faker... Wait, What do you mean he's pushing chaos off onto his companions? Discord Code: 9274TfZtf9 The discord is for my stories, so people can reach out to me and give feedback directly.
Crossover - Harry Potter & Fate/stay night - Rated: M - English - Adventure - Chapters: 10 - Words: 18,398 - Reviews: 11 - Favs: 85 - Follows: 108 - Updated: 10/28 - Published: 8/31 - Draco M., Arturia Pendragon, EMIYA, Merlin
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