Harry Potter Crossovers
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The adventure begins by Darth Blitz reviews
After watching Harry waste his potential away, a mysterious figure is send to help him. Watch Harry through multiple universes becoming the strongest wizard the world has ever seen. Rate mature just to be safe
Crossover - Harry Potter & Game of Thrones - Rated: M - English - Chapters: 14 - Words: 43,524 - Reviews: 40 - Favs: 157 - Follows: 219 - Updated: 9/23 - Published: 8/3 - Harry P., Lyanna S., Benjen S., Eddard S.
Team DPHI and the Night Castle by sonicXben reviews
Ozpin was tired of the fight against Salem. Generation after generation lost to the endless war and for what? Yet, by a strange series of events, four young boys find themselves in the newest class at Beacon. Four very powerful boys who could change the course of the war itself, make all the suffering worth it.
Crossover - RWBY & Harry Potter - Rated: M - English - Horror/Drama - Chapters: 15 - Words: 89,629 - Reviews: 3 - Favs: 27 - Follows: 36 - Updated: 9/23 - Published: 7/21 - Harry P., Ozpin, Team RWBY, Salem
Harry Potter and the House of Hades by GladRend reviews
Harry gets a lot more than he bargained for upon assembling the three Hallows, namely, a forceful induction into the ranks of the House of Hades. After using his newfound strength to defeat Voldemort once and for all, he is taken by the Styx and vanishes. Now, he'll have to adapt to life in the Underworld and figure out what else the Fates have in store for him.
Crossover - Harry Potter & Hades - Rated: T - English - Family/Fantasy - Chapters: 1 - Words: 970 - Reviews: 1 - Favs: 5 - Follows: 12 - Published: 9/23 - Harry P., Hades, Zagreus
Rubeus Hagrid: Grand druid by arcanedruid reviews
MC suddenly found himself in the body of Rubeus Hagrid. Can he survive in a universe larger than the one shown in the books and avoid the fate of the original Hagrid? My native language is not English. Frankly speaking, I received many warnings that the grammar of the first 8-10 chapters was very bad but then it gets better. Please give me a chance.
Crossover - X-overs & Harry Potter - Rated: M - English - Fantasy/Adventure - Chapters: 20 - Words: 67,181 - Reviews: 75 - Favs: 206 - Follows: 268 - Updated: 9/23 - Published: 4/18 - Albus D., Rubeus H., Minerva M.
Silent Harry by retailstoryteller reviews
Even Wizards know there are things they don't understand, things beyond them, things so dangerous all you can do is keep your head down and hope to survive. There are no innocents in hell... are there?
Crossover - Harry Potter & Silent Hill - Rated: T - English - Horror/Supernatural - Chapters: 3 - Words: 3,399 - Reviews: 2 - Favs: 17 - Follows: 20 - Updated: 9/23 - Published: 8/12
Cause You're My Zing by Sammiie97 reviews
Shortly after graduating from Hogwarts, Daniel decided to travel the world, a dream he'd had for a long time. During his journey, his plans change when he stumbles upon a particular Hotel... And what will happen when he meet a certain vampire? Alive!James&Lily !AU
Crossover - Harry Potter & Hotel Transylvania - Rated: M - English - Romance/Humor - Chapters: 3 - Words: 7,312 - Reviews: 1 - Favs: 37 - Follows: 48 - Updated: 9/23 - Published: 9/11 - [OC, Mavis]
When magic decides one war isn't enough by Alykto reviews
Following Voldemort's return after the Triwizard Tournament, Dumbledore realized he couldn't possibly handle the incoming conflict on his own. He needed a general to prepare the war. His summoning ritual then dragged Commandant Shepard, Specter and N7 Alliance Marine fighting the Reapers to 12 Square Grimmault.
Crossover - Harry Potter & Mass Effect - Rated: T - English - Adventure/Hurt/Comfort - Chapters: 8 - Words: 13,221 - Reviews: 14 - Favs: 30 - Follows: 37 - Updated: 9/23 - Published: 6/29/2023 - Harry P., Ron W., Hermione G., Shepard
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: 41 - Words: 263,685 - Reviews: 80 - Favs: 41 - Follows: 59 - Updated: 9/23 - Published: 9/3/2023 - Buffy S., Dawn S., Hermione G.
The Moonlit Path is Dark by 2BorNotTooBe2AForever reviews
The Age of Gold is no more. The gods have fled, their tail between their legs. The Moon stands alone. Rejoice! For the Age of Stars has come, the Moon has taken her rightful place in the heavens, by order of the twin princes, the House of Caria shall open its door to all! All hail the Moon! All hail her Champion! All hail her heirs! All hail Caria! All hail her Academy!
Crossover - Harry Potter & Elden Ring - Rated: T - English - Mystery/Family - Chapters: 4 - Words: 10,421 - Reviews: 4 - Favs: 28 - Follows: 38 - Updated: 9/23 - Published: 9/12 - Harry P., Rennala, Queen of the Full Moon
the census by mrsProbie reviews
Hermione Granger is conducting the Ministry of Magic's census of magical beings of British origin.
Crossover - Harry Potter & Twilight - Rated: K - English - Romance/Supernatural - Chapters: 1 - Words: 1,489 - Reviews: 2 - Favs: 7 - Follows: 5 - Published: 9/23 - [Hermione G., Carlisle] Alice, Esme - Complete
A New God's Conquest by codekingu reviews
What happens when a passing omnipotent being gives a lost soul with delusions of grandeur an overpowered path to infinite power? He aims to put everyone and everything under his heel, of course. Sure, maybe he's gained a few personality disorders from his time spent in the void, but hey, would a sane person even attempt conquering the Omniverse? SI, Harem, Lemons, OP MC
Crossover - Harry Potter & Game of Thrones - Rated: M - English - Fantasy/Supernatural - Chapters: 26 - Words: 77,812 - Reviews: 66 - Favs: 495 - Follows: 605 - Updated: 9/23 - Published: 7/19 - [OC, Bellatrix L.]
Harry Potter: The Baba Yaga's Apprentice by PotterSmut12 reviews
Harry lands in NYC on a "family" trip and comes upon The Continental hotel. There he meets Winston who wants to help him, which results with John Wick training Harry for what was coming.
Crossover - Harry Potter & John Wick - Rated: T - English - Adventure - Chapters: 6 - Words: 105,427 - Reviews: 132 - Favs: 544 - Follows: 673 - Updated: 9/23 - Published: 7/8 - Harry P., John W., Hermione G., Voldemort - Complete
The Cursed by AtheistBear reviews
The-Boy-Who-Lived and The Cursed One. Two entities whose paths cross inexplicably. Both have goals to achieve, but neither can achieve theirs without the other's assistance. Can they both attain their goals? Dual protags! HP/GW/LL, NU/HG/DG/flings, RW/LB. No bashing, general characters complaining instead.
Crossover - Harry Potter & Naruto - Rated: M - English - Adventure/Romance - Chapters: 2 - Words: 10,006 - Reviews: 9 - Favs: 46 - Follows: 76 - Published: 9/23 - [Naruto U., Hermione G.] [Harry P., Ginny W.]
Fernweh by GivemeRiddle reviews
Tom Riddle has enough of Dumbledore and drops out of Hogwarts to travel the world. When he arrives at Japan, in the midst of WW2, he discovers ancient magic covering the area. A little bit of probing and there's white blinding light. A whole world lies await with magic used in ways seen only centuries ago. For Power, War, Immortality and Sassy Snakes.M/M (cross-posted on AO3)
Crossover - Harry Potter & Naruto - Rated: M - English - Adventure/Drama - Chapters: 17 - Words: 65,891 - Reviews: 19 - Favs: 123 - Follows: 132 - Updated: 9/23 - Published: 3/10/2020 - Tom R. Jr., Orochimaru, Jiraiya, Sakumo H.
Harry Potter: SHIELD and Sorcery by Galaleo reviews
Harry Potter, Chosen One, finds himself in the MCU. He will use his skills and knowledge to help save the world from an unknown threat so that he might save his own.
Crossover - Harry Potter & Avengers - Rated: M - English - Adventure/Fantasy - Chapters: 43 - Words: 134,981 - Reviews: 175 - Favs: 929 - Follows: 1,350 - Updated: 9/22 - Published: 7/1 - [Harry P., Black Widow/Natasha R.] Iron Man/Tony S., Ancient One
The Dawn of the Jedi by Titan900 reviews
The Force is no longer felt by the people of the galaxy. The Jedi are but a forgotten memory. However, after eons of silence, there is a new Jedi. He is Harry Potter, a wizard of Earth and a Jedi Knight. This is his story.
Crossover - Harry Potter & Star Wars - Rated: M - English - Supernatural/Adventure - Chapters: 4 - Words: 16,988 - Reviews: 25 - Favs: 166 - Follows: 217 - Updated: 9/22 - Published: 5/4 - Harry P., Yoda, Draco M., Daphne G.
The Gang Raises A Wizard by DrCondoriano reviews
After the Dursley's refuse to take Harry in, Harry winds up in a dumpster right outside Paddy's Pub. After a decade of being raised by the Gang, a very different Boy Who Lived arrives at Hogwarts.
Crossover - It's Always Sunny in Philadelphia & Harry Potter - Rated: T - English - Humor/Fantasy - Chapters: 7 - Words: 34,011 - Reviews: 23 - Favs: 56 - Follows: 73 - Updated: 9/22 - Published: 1/2 - Harry P., Ron W., Dennis R., Charlie K.
The Triwizard Pony by tkepner reviews
When he was nine, Harry became a unicorn when he fell through a portal into the Everfree Forest outside Ponyville. Now, the Goblet of Fire has hauled him back to Hogwarts, still as a unicorn. A unicorn taught by Twilight, the Princess of Magic in Equestria. Cross-over with My Little Pony.
Crossover - Harry Potter & My Little Pony - Rated: T - English - Fantasy - Chapters: 29 - Words: 154,843 - Reviews: 187 - Favs: 333 - Follows: 419 - Updated: 9/22 - Published: 6/8
Harry Potter and the Mage's Guild by Sparrownightmare
Begins summer after 4th year. Betrayed by those he believed to be friends, he made a new one during the summer. A friend who will shake the foundations of all that he believed. Wizarding, Mutant, Normal and Aliens will collide and it is a fight that the two cannot lose, or all is lost everywhere.
Crossover - Harry Potter & Champions Online - Rated: T - English - Supernatural/Sci-Fi - Chapters: 2 - Words: 3,350 - Favs: 3 - Follows: 4 - Published: 9/22
I'll Protect You by ElementalNinja 84 reviews
Bucky wakes from being frozen and learns he has a living relative. Now all Bucky wants to do is to protect!
Crossover - Harry Potter & Avengers - Rated: K+ - English - Chapters: 11 - Words: 12,357 - Reviews: 20 - Favs: 85 - Follows: 116 - Updated: 9/22 - Published: 8/29
The Winter Wizard by FavoriteAuthor reviews
All it took was one moment. Harry choses to take control of his life and ends up in a medieval magical world. When the war begins all of Westeros will come to learn of the Winter Wizard. Winter is Coming. Harry & Daenerys
Crossover - Harry Potter & Game of Thrones - Rated: M - English - Romance - Chapters: 2 - Words: 8,591 - Reviews: 31 - Favs: 170 - Follows: 292 - Updated: 9/22 - Published: 9/15 - Harry P., Daenerys T., Jon S., Sansa S.
Lost kingdom by Purplecat2003 reviews
Catherine Cullen never went to Hogwarts and everyone believed she had died when she was 6 years old. Lily and James had spread the rumour that she had died because of lung failure, but in fact she was put into a orphanage to die alone. But some secrets can't be hidden after her adapted parents are killed and people start looking into her past as the only survivor of the murder.
Crossover - Harry Potter & NCIS - Rated: M - English - Family/Hurt/Comfort - Chapters: 6 - Words: 3,842 - Reviews: 7 - Favs: 39 - Follows: 63 - Updated: 9/22 - Published: 11/9/2020
Hogwart's finest by Tyara Laedros
1973. Hogwarts has lost yet another Defense against the Dark Arts teacher, while a dark threat rises in the mist of the street. Dumbledore hires a new professor, a former Auror by the name of Caitlyn Kiramman. The young women has to navigate her new job, a troubling band of teens called the Marauders, and pink-haired new Groundskeeper...
Crossover - Harry Potter & Arcane - Rated: T - English - Romance/Angst - Chapters: 1 - Words: 2,316 - Favs: 4 - Follows: 4 - Published: 9/22 - Sirius B., James P., Vi, Caitlyn
Emerald Potter and The Morningstar by LordMor reviews
This Harry Potter and High School DxD crossover follows Emerald Potter, a female version of Harry, and Luminara Lucifer, the reincarnated original Lucifer. Emerald wakes up in the hospital wing with no memory of the past day. But something is wrong—very wrong. Her vision is sharper than ever, her senses heightened, and she can now see in the dark.
Crossover - Harry Potter & High School DxD/ハイスクールD×D - Rated: T - English - Supernatural - Chapters: 1 - Words: 3,414 - Reviews: 3 - Favs: 14 - Follows: 22 - Published: 9/22 - Harry P., Sirzechs L., Serafall L., Rizevim L. Lucifer
Playing With Magic by LightestReader reviews
I always thought magic was cool. Waking up in the Potterverse, all I wanted to do was play with it. Why settle for being a hero or villain when you could do so much more? That's not the game I want to play. I wonder what I will become at the end of all this. (Slow Build.) (Semi/Gamer.) (Overpowered.) (OP!OC.) (SI/OC.) (Self Insert.) (AU.)
Crossover - Harry Potter & X-overs - Rated: M - English - Adventure/Fantasy - Chapters: 29 - Words: 97,939 - Reviews: 414 - Favs: 1,519 - Follows: 2,088 - Updated: 9/22 - Published: 1/8 - Harry P., Voldemort, OC, Daphne G.
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