Harry Potter Crossovers
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Harry Potter and the SCP Foundation by deltarunner66 reviews
Harry Potter, hunted by Voldemort for his whole life enters his fifth year, the ministry believes he is spreading lies and want to silence him. Meanwhile a Euclid class SCP awakens with one goal, to protect Harry and defeat Voldemort at all costs, what will Voldemort do and what about the SCP foundation, will Voldemort find out they exist. OOTP-DH, Canon pairings.
Crossover - SCP Foundation Mythos & Harry Potter - Rated: M - English - Adventure/Sci-Fi - Chapters: 27 - Words: 136,405 - Reviews: 23 - Favs: 88 - Follows: 100 - Updated: 41m - Published: 2/19 - [Harry P., Ginny W.] OC, Voldemort
Weapon M by JaguarAJG reviews
Kidnapped at a young age, Harry Potter has become Weapon M, the greatest Weapon that Weapon Plus had ever produced. With nearly a decade of successful missions, his record speaks for its self. But when the program begins to fall apart, the trouble is about to begin... X-Men/Harry Potter, Weapon!Harry, Harry/X23. Main plots begins with GOF.
Crossover - X-Men & Harry Potter - Rated: T - English - Fantasy/Angst - Chapters: 17 - Words: 51,206 - Reviews: 119 - Favs: 642 - Follows: 866 - Updated: 10/16 - Published: 2/7 - James H./Wolverine/Logan, Laura K./X-23, Daken, Harry P.
Où Zeleph et Natsu aident le Trio d'Or by NeahCampbell54 reviews
Voldemort est de retour et Dumbledore a conscience qu'ils ne pourront pas le vaincre sans aide. Alors il embauche le mage noir Zeleph et Natsu en tant que professeur de défense contre les forces du mal afin qu'ils aident Harry à obtenir les clés pour vaincre Voldemort mais aussi pour donner des armes aux élèves pour survivre à la guerre qui sera bientôt là.
Crossover - Harry Potter & Fairy Tail - Rated: K+ - French - Adventure/Family - Chapters: 7 - Words: 14,794 - Reviews: 1 - Favs: 1 - Follows: 1 - Updated: 1h - Published: 10/27 - Harry P., Natsu D., Zeref
Lily's Journal by The Unseen Scribe reviews
When Harry hears Hermione say something about his mother's previous work; he decides to learn more about her, and in doing so, changes his fate and those of everyone around him. Magitech, OP!Harry, OP!Hermione.
Crossover - Harry Potter & X-overs - Rated: M - English - Sci-Fi/Fantasy - Chapters: 8 - Words: 43,146 - Reviews: 10 - Favs: 186 - Follows: 246 - Updated: 4h - Published: 6/23 - [Harry P., Hermione G.]
Can You See Me? by CakeTops
What do you get when you add together a genius billionaire, Captain America and an adopted child named Harry who can not only predict people's death but see ghosts? An endless stream of death and murder following them where ever they go. All Steve wants is for Harry to grow up well adjusted. Tony thinks Steve should be worrying more about them instead. Slash. MOD!Harry
Crossover - Harry Potter & Avengers - Rated: T - English - Mystery/Suspense - Chapters: 1 - Words: 13,162 - Favs: 5 - Follows: 5 - Published: 4h - Harry P., Captain America/Steve R., Iron Man/Tony S.
The Magic of Food by CakeTops
Magic is about intent; Cooking is about Intent; so when Harry unconsciously starts pouring magic in to his cooking, he ends making his food magical in a way that can literally change people, and no, especially Tony Stark and his band of merrymen, can resist that. Gods, magic, prophecies, bonds; what else lies in wait for our misplaced Boy who lived? SLASH.
Crossover - Harry Potter & Avengers - Rated: T - English - Supernatural/Humor - Chapters: 1 - Words: 5,501 - Favs: 9 - Follows: 13 - Published: 5h - Harry P., Iron Man/Tony S.
If Wishes were Ponies by tkepner reviews
Harry Potter, after a beating by Dudley and friends — with the help of a real gang member — wishes he had somewhere safe to go, and starts crawling home. He ends up in Equestria. The young Cutie Mark Crusaders find him. A year later, an owl arrives with his Hogwarts' letter! Inspired by Dogger807's hilarious story, "Magic School Days," on FiMfiction.
Crossover - Harry Potter & My Little Pony - Rated: T - English - Adventure/Fantasy - Chapters: 80 - Words: 360,664 - Reviews: 257 - Favs: 296 - Follows: 373 - Updated: 5h - Published: 8/11 - Harry P., Cutie Mark Crusaders
One shots made by AI by Flower1821
Usually, I write my own fanfics. But, I really liked these one shots made by AI.
Crossover - Percy Jackson and the Olympians & Harry Potter - Rated: K - English - Romance/Supernatural - Chapters: 4 - Words: 2,344 - Favs: 1 - Follows: 1 - Updated: 7h - Published: 10/27 - Percy J., Harry P., Clarisse R., Draco M.
The Saviour from another world by Pervertshipper reviews
Finding himself in another world with the Deathly Hallows was certainly a surprise for Severus Snape. But then again the cosmos were hell bent on making him suffer. It didn't matter that he was the only one who wanted the shit done. I own nothing. All belong to their respective owners.
Crossover - Harry Potter & A song of Ice and Fire - Rated: M - English - Drama/Fantasy - Chapters: 2 - Words: 2,243 - Reviews: 4 - Favs: 21 - Follows: 19 - Updated: 8h - Published: 10/24 - Severus S., Robert B., Cersei L., Daenerys T./Dany
Becoming The Future by MrEMorvay reviews
SUMMARY: The Dursleys had no choice in taking Harry to America with them for Veron's work trip, that they were turning into a holiday, and no one would look after the boy, but a deadly virus spreads and Harry is stuck in America now on his own. What is a seven-year-old boy to do in a world plagued by the apocalypse?
Crossover - Harry Potter & Walking Dead - Rated: T - English - Supernatural/Friendship - Chapters: 2 - Words: 9,067 - Reviews: 3 - Favs: 29 - Follows: 44 - Updated: 10h - Published: 10/22 - Harry P., Rick G., Daryl D., Merle D.
Nephilim Witch by Vorpal Quick Blade reviews
{Note: This is a three way crossover of Devil May Cry, Harry Potter, and Sword Art Online.} Marzanna Sparda, Daughter of Lily Evans and Dante Sparda, younger half sibling to 'the boy-who-lived' Mike Potter. With her birth, the fates of many changed. Marzanna is Fem!Harry.
Crossover - Harry Potter & Sword Art Online/ソードアート・オンライン - Rated: M - English - Romance/Fantasy - Chapters: 64 - Words: 657,617 - Reviews: 768 - Favs: 1,983 - Follows: 2,121 - Updated: 10h - Published: 7/25/2015 - [Harry P., Kirito/Kazuto K.]
Soteria by Manke reviews
Power. Hold too little, and you are nothing. Hold too much, and you are a god... Percy begrudgingly finds himself at Hogwarts of all places, after the dust has settled on the Giant War. Just like Gaia, the wizards are not ready for the power he will bring to the war against Voldemort... Nor will they be ready for the powers that oppose him.
Crossover - Harry Potter & Percy Jackson and the Olympians - Rated: T - English - Angst/Hurt/Comfort - Chapters: 5 - Words: 28,290 - Reviews: 63 - Favs: 321 - Follows: 452 - Updated: 12h - Published: 5/19 - Percy J.
The Companion, The Empress of Mankind by Vivori reviews
Summary: There was a companion that the God Emperor of Mankind once trusted, one whom he opened his heart to since even before the Golden Age of Humanity. However their opinions differ from the end of the Dark Age of Technology and he tricked her by capsuling her ship. Now she isfree. Just in time too for Gulliman needs his mama and the clone legions must walk once more for mankind
Crossover - Harry Potter & Warhammer - Rated: T - English - Fantasy/Sci-Fi - Chapters: 2 - Words: 11,026 - Reviews: 26 - Favs: 230 - Follows: 282 - Updated: 12h - Published: 10/28 - Harry P., OC, The Emperor, Primarch/s
Harry's New Game Plus Volume 3 by kurokitsune028 reviews
Harry Potter, the Dragon God! is preparing for war and his family is helping as well, however, for now, Harry is visiting his old friends, the Digidestined and helping them with their current problems. Soon, he will once again take off to other worlds and help even more old and new friends! read on and find out what new adventures await, Harry Potter. Currently in Bleach..
Crossover - High School DxD/ハイスクールD×D & Harry Potter - Rated: M - English - Adventure/Supernatural - Chapters: 20 - Words: 120,316 - Reviews: 415 - Favs: 831 - Follows: 914 - Updated: 16h - Published: 7/7
Mischief Managed by mystiquewitch reviews
Loki didn't always feel like an outcast; there was a time he felt accepted, admired, had friends, a place where he felt at home, the Midgardian Magical Community, the place where the child Loki abandoned and his former lover lived, so after losing the battle of New York, Loki decides to escape and hide amongst the wizards, too bad nothing is how Loki expected it to be.
Crossover - Harry Potter & Avengers - Rated: M - English - Family/Adventure - Chapters: 49 - Words: 267,195 - Reviews: 85 - Favs: 385 - Follows: 500 - Updated: 16h - Published: 11/9/2022
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: 18h - 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: 174 - Updated: 18h - Published: 10/31/2019 - Harry P., Ciel P.
Harry Potter and The Goblet of Fire (Sonic Style) by Jacob Marley1991 reviews
After a very chaotic summer Silver the Hedgehog returns to Soleanna fo rhis fourth year. He discovers that the school will be hosting a legendary event this year but it's soon revealed Silver will have to do more than spectate
Crossover - Harry Potter & Sonic the Hedgehog - Rated: T - English - Mystery/Supernatural - Chapters: 24 - Words: 72,535 - Reviews: 2 - Favs: 2 - Follows: 2 - Updated: 20h - Published: 10/7 - Sonic, Silver, Coral, Razor
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: 16 - Follows: 21 - 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: 262 - Follows: 418 - 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: 458 - Follows: 773 - 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: 603 - Follows: 894 - 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
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