Harry Potter Crossovers
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Merrick's Slayer by mmooch reviews
Buffy's time as the Slayer starts a little differently.
Crossover - Buffy: The Vampire Slayer & Harry Potter - Rated: T - English - Family/Drama - Chapters: 11 - Words: 14,715 - Reviews: 32 - Favs: 77 - Follows: 116 - Updated: 4/18 - Published: 7/12/2020 - Buffy S. - Complete
Magical One Shots by MoonNiki
Everything belongs to their own author - Harry potter and Glimore Girls. I do not own everything but the plots. Harry potter cast with the Gilmore cast. Pairings and Parenting
Crossover - Harry Potter & Gilmore Girls - Rated: K - English - Family/Romance - Chapters: 2 - Words: 1,941 - Favs: 4 - Follows: 2 - Updated: 4/18 - Published: 4/4
Hematophagy by GoWithTheFlo20 reviews
Those first tender years of her life the Shadow was all Poppy Potter had. It was want and need and a murky promise of an inevitable craving. The Shadow was her friend, but they aren't a very nice one, and they have set her on a path of blood, betrayal, and brotherhood. Why play cat and mouse when you could play cops and serial killers? Mosercest! Moser!Harry. Brian/Fem!Harry/Dexter
Crossover - Harry Potter & Dexter - Rated: M - English - Romance/Crime - Chapters: 8 - Words: 48,074 - Reviews: 142 - Favs: 237 - Follows: 298 - Updated: 4/18 - Published: 11/16/2021 - Harry P., Dexter M., Rudy C./Brian M.
The multi king wizard by dannyrockon122 reviews
" To think I just wanted to have a normal year here, but curse my Potter Luck as I am in a tournament where I could die but oh well time to count up the medals.
Crossover - Harry Potter & Kamen Rider - Rated: T - English - Sci-Fi/Adventure - Chapters: 15 - Words: 35,640 - Reviews: 84 - Favs: 109 - Follows: 101 - Updated: 4/18 - Published: 6/14/2021
The Magical Kunoichi: Book Two The Chambers of Secrets by Kidan Yoshilda reviews
Naruko and Harry were hoping for a better School year then the last, however they did not get their wish and something from Hogwarts past comes back to haunt them and the halls of the school once more. Can Harry and Naruko solve the mystery of the Chambers of Secrets or are they doom to fail?
Crossover - Harry Potter & Naruto - Rated: T - English - Adventure - Chapters: 5 - Words: 13,965 - Reviews: 7 - Favs: 68 - Follows: 77 - Updated: 4/18 - Published: 10/3/2019 - Harry P., Naruko U.
Fenris Black by Lady Midnight07 reviews
When Harry returns to Private Drive, he is abducted by an unknown animal. Afterwards, the wizard is bitten by a werewolf by the name of Fenrir Greyback. But due to the basilisk blood in his bloodstream, he transforms into a new form of a werewolf. Let s see, how will he with his faithful owl and new furry friend deal with this new situation...
Crossover - Harry Potter & Katekyo Hitman Reborn! - Rated: T - English - Adventure/Supernatural - Chapters: 3 - Words: 9,311 - Reviews: 36 - Favs: 207 - Follows: 282 - Updated: 4/18 - Published: 8/9/2021
The squib who became Iron Lad In DC by Cathbel reviews
Being reborn after a betrayal was good. Being reborn in the the Wizarding world is also good. Being reborn in a crossover reality between DC and Harry Potter, however... Not so good. It's also not good being reborn as a squib in such a reality. However, Ned Stark won't let that get him down !Ned Stark will rise and become one of the world's fiercest defender !
Crossover - DC Superheroes & Harry Potter - Rated: K+ - English - Sci-Fi/Supernatural - Chapters: 9 - Words: 23,430 - Reviews: 18 - Favs: 57 - Follows: 69 - Updated: 4/18 - Published: 3/4
Mystique Soldier by Robs511 reviews
"Hail, Hydra." Harry intoned, cold and emotionless. Just like a perfect soldier should. They'd done their best to turn him into an unstoppable force. Their uprising was sure to be swift and smooth. Unfortunately for Hydra, another power has already dug it's claw into the boy. A power higher than even gods. The power of a Gamer. Cold/Unstable Harry, Gamer Harry, Alive!Potters, Smut.
Crossover - Harry Potter & Avengers - Rated: M - English - Adventure/Fantasy - Chapters: 17 - Words: 102,598 - Reviews: 663 - Favs: 2,647 - Follows: 3,464 - Updated: 4/18 - Published: 11/24/2021 - Harry P.
All Worlds Draw to an End by Grignard reviews
"I couldn't find one, not one wand! I spent hours going through my entire shop. I even waved my wand over to see if I had to make a completely new one. Nothing! Never in all the years of Ollivanders being in business has this ever happened!" Ollivander is befuddled, and Dippet is intrigued about his newest students.
Crossover - Harry Potter & Chronicles of Narnia - Rated: T - English - Adventure - Chapters: 11 - Words: 12,139 - Reviews: 22 - Favs: 41 - Follows: 51 - Updated: 4/18 - Published: 12/3/2021 - A. Dippet, Edmund Pevensie, Peter Pevensie, Susan Pevensie - Complete
The-Boy-Who-Taught-Class-3A by Spirit Soldier reviews
Throughout his time, Harry had to face many difficult challenges. He faced against a dragon, a basilisk, and the darkest mage of all time, Voldemort. But now, alongside ten year old Negi Springfield, he may have encountered his biggest challenge yet; teaching a bunch of hyperactive high-school girls.
Crossover - Harry Potter & Negima! Magister Negi Magi/魔法先生ネギま! - Rated: T - English - Adventure/Humor - Chapters: 6 - Words: 28,827 - Reviews: 87 - Favs: 434 - Follows: 537 - Updated: 4/18 - Published: 10/23/2020 - Harry P., Negi S.
Renascence by sakurademonalchemist reviews
Living once in a world filled with literal magic was amazing...but a second chance leads to another lifetime of adventure, this time with proper back up and support. Plus side, she's not in the middle of a war. Downside, she always ends up in the middle of yet another headache involving Legendaries, power-hungry idiots, and not enough common sense. Her life, why?
Crossover - Pokémon & Harry Potter - Rated: T - English - Adventure/Family - Chapters: 9 - Words: 20,555 - Reviews: 401 - Favs: 1,597 - Follows: 1,578 - Updated: 4/18 - Published: 3/10 - Ash K./Satoshi, Sabrina/Natsume, Harry P.
The Boys Who Lived and The High Preistess of Hogwarts by Pegasus-Dragon reviews
It's Merlin's second year at Hogwarts, and this time he gets to start it with his brother and a whole army of friends at his side. But will their support be enough when enemies from a past he doesn't even remember start to interfere in life at Hogwarts? Bk 2
Crossover - Harry Potter & Merlin - Rated: T - English - Friendship/Adventure - Chapters: 12 - Words: 59,497 - Reviews: 4 - Favs: 46 - Follows: 68 - Updated: 4/18 - Published: 8/19/2021 - [Merlin, Arthur] Harry P., Morgana
Between the lines by Elle Light reviews
Two worlds. Two cultures. Two different characters. He would give up a friend for power. She would give up power for a friend. He dreames about the future. She dreams about the past. He's Lord Voldemort. She's the Demon God. None of them fitted in with others. Will he teach her to hope for the future? Could she teach him to be grateful for what he had?
Crossover - Harry Potter & Journey of Flower/花千骨 - Rated: T - English - Fantasy/Drama - Chapters: 14 - Words: 18,588 - Reviews: 1 - Favs: 3 - Follows: 2 - Updated: 4/18 - Published: 10/31/2020 - Complete
The War of Titans by PerseusPeverell092 reviews
Torn from his Universe, Harry Potter arrives into one filled with Aliens, Mutants, Super-soldiers, Armored suits, Assassins, and Eldritch beings of unimaginable power. What will he do in a place where men like him are seemingly present at every corner, where he isn't the most powerful being anymore, especially when all he wants is to get revenge.
Crossover - Harry Potter & Marvel - Rated: M - English - Adventure/Supernatural - Chapters: 14 - Words: 92,162 - Reviews: 336 - Favs: 2,035 - Follows: 2,744 - Updated: 4/18 - Published: 1/31/2021 - [Harry P., C. Danvers/Ms. Marvel/Captain Marvel, J. Grey/Marvel Girl/Phoenix] Wanda/Scarlet Witch
On Punching Gods and Absentee Dads by Enigmaris by jostawhi reviews
not my work, this is the work of Enigmaris
Crossover - Harry Potter & Avengers - Rated: M - English - Adventure - Chapters: 1 - Words: 64,278 - Reviews: 3 - Favs: 22 - Follows: 12 - Published: 4/18 - Harry P., Loki - Complete
Enuma Gremory, King of Heroes by Alias001 reviews
No true summary yet. FemHarry. Dark implications.
Crossover - Harry Potter & High School DxD/ハイスクールD×D - Rated: M - English - Adventure/Family - Chapters: 50 - Words: 33,921 - Reviews: 57 - Favs: 327 - Follows: 395 - Updated: 4/18 - Published: 10/20/2021 - Harry P., Rias G., Venelana G.
The Olympia Family Visits Hogwarts by Annabeth McGrace reviews
A couple of demigods visit Hogwarts as kids from the Olympia Family, the most prestigious family in the wizarding world. This is my first fanfic, and all criticisms are welcome. Rated T just in case. I do not own the cover image. UPDATES ARE NOT FREQUENT SO DO NOT SPAM ME!
Crossover - Harry Potter & Percy Jackson and the Olympians - Rated: T - English - Fantasy/Sci-Fi - Chapters: 18 - Words: 23,539 - Reviews: 77 - Favs: 104 - Follows: 121 - Updated: 4/18 - Published: 4/27/2021
3 - Past And Future Collides: Niakonia Gralatjo Niar Uravarec by Kyrostra Ravenstein reviews
The Doctor's changed, but will Aries be able to accept that he's the man she'd fallen for? Or will Rose wedge herself between them. But she isn't the only one interested in the Doctor. Just who are Nick, Vera, Va'ly, and the Druid, and what do they want with the pair? With secrets finally revealed, the past and future will collide. But will the Wolf Eternal survive the fight?
Crossover - Doctor Who & Harry Potter - Rated: M - English - Mystery/Adventure - Chapters: 8 - Words: 66,565 - Reviews: 1 - Favs: 4 - Follows: 6 - Updated: 4/18 - Published: 3/2 - [10th Doctor, OC] Mickey S., Rose T.
Cupboards and Cryogenics by Yodeling Prospector reviews
When HYDRA sends The Winter Soldier to bring them the four-year-old Boy Who Lived, the outcome is not what they expected.
Crossover - Harry Potter & Avengers - Rated: T - English - Drama - Chapters: 58 - Words: 181,126 - Reviews: 2037 - Favs: 4,175 - Follows: 5,439 - Updated: 4/18 - Published: 4/18/2017 - Harry P., Bucky Barnes/Winter Soldier
Rule of Two by SquareEyed reviews
When you have two prophecies that go something along the lines of: "either must die at the hand of the other for neither can live while the other survives" and "ultimate balance in the Force will be restored" existing at the same time in the same universe, you have the recipe for catastrophic results.
Crossover - Star Wars & Harry Potter - Rated: T - English - Sci-Fi/Fantasy - Chapters: 1 - Words: 3,178 - Reviews: 1 - Favs: 13 - Follows: 33 - Published: 4/18 - Leia O., Darth Vader, Harry P., Voldemort
Harry of the Vale by ScipioSmith reviews
Harry Arryn, only son and heir of Lord Jon Arryn, dreams of the life of another man, in another world. But when he is sent to woo the maiden Lysa Tully, events at Riverrun propel him into conflict with Brandon Stark, the brother of his best friend, and with Jaime Lannister the golden lion of Casterly Rock.
Crossover - Harry Potter & A song of Ice and Fire - Rated: T - English - Romance/Adventure - Chapters: 8 - Words: 31,608 - Reviews: 172 - Favs: 660 - Follows: 951 - Updated: 4/18 - Published: 12/26/2016 - Harry P., Catelyn T., Petyr B./Littlefinger, Lysa A.
Merlin's Ward by Livxoxo reviews
Morgana was cursed for the evil she has done. The punishment was for her and her descendants to be removed from magic for 1000 years. For not fulfilling his destiny, Merlin was sentenced to walking the earth alone for centuries. Hermione is first magical descendant of Morgana in hundreds of years. Merlin takes it upon himself to teach her until she goes to Hogwarts.
Crossover - Harry Potter & Merlin - Rated: K - English - Adventure/Friendship - Chapters: 1 - Words: 1,208 - Reviews: 2 - Favs: 18 - Follows: 38 - Published: 4/18 - Hermione G., Merlin
Stop Making Me Fall So Hard by BrendaBanner reviews
Dahlia Potter left the war in pieces...literally. No longer wanting to wallow in her grief she moves to Forks, Washington for a fresh start. Along the way she makes friends with not only her human classmates, but the mysterious and vampiric Cullen family. She must now navigate not only these new teenage experiences but stop the Wizarding World from taking her back. Fem!Harry/Edward
Crossover - Harry Potter & Twilight - Rated: T - English - Romance/Drama - Chapters: 18 - Words: 95,907 - Reviews: 196 - Favs: 842 - Follows: 1,057 - Updated: 4/17 - Published: 8/20/2021 - [Harry P., Edward]
Devil of a Wizard by StarDustDragonknight reviews
What If Harry was picked up that night by Lilith Morningstar and brought to hell when the Night James and Lilly Potter were killed by Voldemort? How would things change?
Crossover - Harry Potter & Hazbin Hotel - Rated: M - English - Supernatural/Adventure - Chapters: 14 - Words: 84,748 - Reviews: 165 - Favs: 551 - Follows: 580 - Updated: 4/17 - Published: 11/9/2021 - Harry P., Charlie
Demon Slayer Academy and the Goblet of Fire by leonardo18anime reviews
For the first time in the Wizard World history a Japanese Wizard school will be participating in the Triwizard Tournament. The school that was selected is Demon Slayer academy a school that not only teaches magic but also techniques on how to kill demons. While one of their third years is chosen to participate in the tournament something in the shadows is coming to attack them all.
Crossover - Harry Potter & Kimetsu no Yaiba/鬼滅の刃 - Rated: T - English - Fantasy/Friendship - Chapters: 2 - Words: 1,457 - Reviews: 7 - Favs: 28 - Follows: 43 - Updated: 4/17 - Published: 6/20/2021 - Harry P., Cedric D., Tanjirou K., Shinobu K.
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