Harry Potter Crossovers
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Harry in the Hellmouth by Dasteiza reviews
After a voluntary journey through the Veil of Death, Harry gets pulled to Sunnydale by the power of the Hellmouth. SMUT Lemons
Crossover - Buffy: The Vampire Slayer & Harry Potter - Rated: M - English - Romance - Chapters: 8 - Words: 21,031 - Reviews: 87 - Favs: 742 - Follows: 970 - Updated: 2/12 - Published: 6/11/2021 - Buffy S., Harry P.
Devil of a Wizard by StarDustDragonknight reviews
What If Harry was picked up that night by Lilith Mange 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: 12 - Words: 70,193 - Reviews: 144 - Favs: 427 - Follows: 442 - Updated: 2/11 - Published: 11/9/2021 - Harry P., Charlie
When the Dragon Spoke to the Moon by AppoApples reviews
She wasn't ageing. It was everyone's dream until they had it. Now she's at the beginning, with a ballot of butterflies to change Middle Earth forever. Left behind, Harry Potter finds that yet again Hogwarts is at the crossroads of another war. With his own magic changing and the scandals surrounding him, keeping his family safe has never been more important. xover HP/LordoftheRings
Crossover - Harry Potter & Lord of the Rings - Rated: T - English - Chapters: 9 - Words: 43,199 - Reviews: 336 - Favs: 872 - Follows: 967 - Updated: 2/11 - Published: 1/1/2021 - Harry P., Luna L., Hedwig, Legolas
Unexpected Animagus by Lexarius reviews
Harry Potter finds his Animagus form is so much more versatile than expected. The only hitch? The colour.
Crossover - Harry Potter & Teen Titans - Rated: T - English - Adventure/Humor - Chapters: 4 - Words: 6,821 - Reviews: 10 - Favs: 63 - Follows: 90 - Updated: 2/11 - Published: 12/30/2021 - Harry P., Garfield L./Beast Boy
Wands and Walkers by FireAndFangs reviews
When Sirius falls through the Veil in OotP, Harry dives in after him. He finds his godfather in the United States, with no evidence of witches, wizards, and magic as they know it. Instead, they are greeted by one of the walking dead and a crossbow-wielding Muggle with a Sirius-sized temper. Watch them make both friends and enemies as they try to find their way home.
Crossover - Harry Potter & Walking Dead - Rated: M - English - Adventure/Hurt/Comfort - Chapters: 4 - Words: 25,562 - Reviews: 11 - Favs: 45 - Follows: 79 - Updated: 2/11 - Published: 1/4 - Harry P., Sirius B., Daryl D., Carl G.
From Another Time by TegamiBachi25 reviews
Before Reunion's attack on Chernobog, another radicalized group emerges from out of nowhere in an attempt to topple Terra, forcing Talulah and Reunion to engage this group to remove any opposition.
Crossover - Harry Potter & Arknights - Rated: M - English - Supernatural/Crime - Chapters: 2 - Words: 5,828 - Reviews: 1 - Favs: 2 - Follows: 4 - Updated: 2/11 - Published: 1/15 - Voldemort, Talulah
Halfdan Ragnarsson nee Potter by GWTF2005 reviews
Hadrian Potter has decided that he is done with the wizarding world and stepped through the veil, Reborn as Halfdan Ragnarsson follow him as he takes the world by storm and becomes the most famous viking to every live. No slash !OP Harry!, Dumbledore Granger Weasley bashing, Aslaug bashing slight Ragnar bashing !Smart Harry! Pairings Harry and Astrid, May change
Crossover - Harry Potter & Vikings - Rated: M - English - Adventure - Chapters: 5 - Words: 4,117 - Reviews: 14 - Favs: 37 - Follows: 61 - Updated: 2/11 - Published: 1/23 - Harry P., Ragnar
Deadshot by TheSilverboar reviews
During the battle of the Department of Mysteries, Harry ends his war with Voldemort but falls into a new world and a new war. Found by an unlikely ally he gets a new family and a new home to defend. (I know the summary sucks but it makes more sense if you read). Badass Harry, Sniper Harry, Harry pairing will be either OFC daughter of Moxxi or Angel, Gaige/OMC son of Moxxi.
Crossover - Harry Potter & Borderlands - Rated: M - English - Adventure/Family - Chapters: 15 - Words: 32,730 - Reviews: 317 - Favs: 1,393 - Follows: 1,645 - Updated: 2/11 - Published: 7/31/2016 - [Gaige, OC] [Harry P., Angel]
A Gleek by Any Other Name by ginnyrules27 reviews
Mysterious forces lock the New Directions in their choir room during a meeting in which they hash out their knowledge of team mate John Thomas AKA Ted Lupin . The only way out is to read a story, left by unexplained means...a story titled Unexpected Journey. *Inspired by Sirius-Goes-Rawr99*
Crossover - Harry Potter & Glee - Rated: T - English - Friendship/Humor - Chapters: 10 - Words: 31,432 - Reviews: 27 - Favs: 121 - Follows: 123 - Updated: 2/11 - Published: 7/1/2012 - Santana L.
Erised by Hasenpfeffer reviews
The Promised Day goes very, very wrong. Edward Elric, thrust through to the other side of the Gate, grows a deep distrust of wizards and magic, when Nicholas Flamel sends his Philosopher's Stone to Hogwarts, Ed takes it upon himself to keep it safe from them, even if he has to face his past mistakes. Crossposted on Ao3
Crossover - Harry Potter & Fullmetal Alchemist - Rated: T - English - Angst/Hurt/Comfort - Chapters: 8 - Words: 24,520 - Reviews: 20 - Favs: 67 - Follows: 101 - Updated: 2/11 - Published: 10/5/2021 - Albus D., Nicolas F., Edward E., Hohenheim
When Two Worlds Collide by PonyboyCurtis1952
Have you ever wondered what it would be like if our favorite Golden Trio franchise came into contact with a few friends that were just a little strange, weird, and down right peculiar. What's to become of the peculiar when they stumble upon a dark and somewhat intimidating castle outside of the Bermuda Triangle, stay tuned to find out if you dare.
Crossover - Harry Potter & Miss Peregrine's Home for Peculiar Children - Rated: K - English - Fantasy/Adventure - Chapters: 1 - Words: 898 - Favs: 1 - Published: 2/11
The Dragon Does the Game of Thrones by megamatt09 reviews
An anthology of shameless smut featuring Harry/Hadrian conquering the women of Game of Thrones. The Dragon King has risen again and winter is not the only thing coming. Not for children. Or the perpetually offended.
Crossover - Harry Potter & Game of Thrones - Rated: M - English - Fantasy/Drama - Chapters: 67 - Words: 204,160 - Reviews: 137 - Favs: 543 - Follows: 490 - Updated: 2/11 - Published: 8/15/2021 - [Harry P., Daenerys T., Cersei L., Melisandre] - Complete
Amaryllis - the-girl-time-saved by Kyrostra Ravenstein
(An Unknown Kin rewrite) - There lay the mark upon her skin. Like a brand. A lie. A sin. For how could her soul be destined for another, When her heart continued to beat for her lover? "Fate is but a fickle beast," her uncle would say. And just like the many other times in her past, Rylli Melody Prince will come to find, That the cost of love may once again be too high to pay.
Crossover - Doctor Who & Harry Potter - Rated: M - English - Adventure/Mystery - Chapters: 6 - Words: 28,833 - Favs: 2 - Follows: 2 - Updated: 2/11 - Published: 12/14/2021 - [Barty C. Jr., OC] [9th Doctor, Rose T.]
Three Brothers by J Svogar reviews
Thranduil, Lucius, and Jareth are three brothers whose magic was too powerful for one land to withstand. So, many years ago, they went their separate ways. One rules the Elves, one the Wizards, and one... the Goblins. They haven't spoken in many years, but now something is drawing them back together, for one night only.
Crossover - Labyrinth & Harry Potter - Rated: K+ - English - Fantasy/Supernatural - Chapters: 1 - Words: 3,023 - Reviews: 1 - Favs: 1 - Follows: 3 - Published: 2/11 - Jareth, Sarah, Lucius M., Narcissa M. - Complete
Une famille retrouvé,un nouvelle espoir by Attina Serpentard reviews
Resumer: Les Dursley partent en vaccance a Phoenix en Arisona, Harry fera de nouvelle rencontre, trouvera une famille des amis et surtout une nouvelle source de pouvoir.
Crossover - Harry Potter & Criminal Minds - Rated: M - French - Romance/Family - Chapters: 6 - Words: 4,529 - Reviews: 37 - Favs: 124 - Follows: 154 - Updated: 2/11 - Published: 10/22/2014 - Charlie W., Harry P.
The Unrelenting Frozen Seas: Symphony of Tempering by Engineer4Ever reviews
Saved from death by her Father's hand, the Princess meets the Prince and a war torn path has begun. Fem!-Harry. PJO Canon Start. Book 3.
Crossover - Harry Potter & Percy Jackson and the Olympians - Rated: M - English - Adventure/Supernatural - Chapters: 28 - Words: 245,049 - Reviews: 211 - Favs: 460 - Follows: 502 - Updated: 2/11 - Published: 8/13/2020 - Harry P., Annabeth C., Percy J. - Complete
My Heart in Your Hands by DjinnAtwood reviews
Elle était supposée devenir leur Survivante, leur Élue, leur parfaite représentante de la Lumière. Mais depuis quand un kitsune fait-il ce qu'on lui ordonne ? Viola Potter décide de tracer son propre chemin dans la ville de San Fransokyo, et le monde magique tout entier en est bouleversé.
Crossover - Harry Potter & Big Hero 6 - Rated: T - French - Drama/Supernatural - Chapters: 55 - Words: 80,427 - Reviews: 77 - Favs: 78 - Follows: 87 - Updated: 2/11 - Published: 8/31/2017 - Harry P., Hiro Hamada, Tadashi Hamada
A Quiet Life in Mystic Falls by xJLCSAADFRNCx reviews
Azalea Potter decides after the war she needs a break from the wizarding world and moves to a small Muggle town in Virginia. Little does she know that it is full of supernatural entities. She is meeting new friends and a new family member, but can she be happy? FemHarry GirlHarry
Crossover - Harry Potter & Vampire Diaries - Rated: T - English - Family/Romance - Chapters: 27 - Words: 66,373 - Reviews: 284 - Favs: 1,201 - Follows: 1,441 - Updated: 2/11 - Published: 5/5/2017 - Harry P., OC, Alaric S., Klaus
Does Voldemort Even Lift, Bro? by zugrian reviews
This story takes the trope/cliche of Harry Potter working out to become a fitness buff to its logical and completely ridiculous endgame. Now it's time to meet Beefcake Harry, Dudebro supreme. Also starring his mentor, a great big buff guy... named Thanos. And stoner Dumbledore, because why not?
Crossover - Harry Potter & Marvel - Rated: T - English - Humor/Parody - Chapters: 16 - Words: 114,133 - Reviews: 648 - Favs: 1,827 - Follows: 2,127 - Updated: 2/11 - Published: 7/13/2020 - Harry P., Parvati P., Padma P., Thanos
Harry Potter and the Advances of a Technomage by ExcaliburStuckInMyStoneHeart reviews
After starting up his Technomage business, Merlin has a bunch of new tasks ahead of him. With the resurgence of new prophecies and new opportunities to teach at Hogwarts, Merlin has a busy schedule ahead of him. While also keeping an eye on death's earthbound items and running into familiar faces, all the while having to deal with the world being tormented by Voldemort. (BOOK2)
Crossover - Harry Potter & Merlin - Rated: T - English - Friendship/Supernatural - Chapters: 8 - Words: 46,310 - Reviews: 35 - Favs: 74 - Follows: 116 - Updated: 2/11 - Published: 9/13/2021 - Harry P., Sirius B., Remus L., Merlin
La Victoria Se Asegura Con Un Poco De Magia by Artic220501 reviews
Por casualidades del destino, Harry Potter, harto de su sociedad mágica elitista, saldrá de viaje por el mundo donde vera cosas raras, tales como invasiones, armaduras y todo lo necesario para volverlo un Vengador [Harry Maestro de La Muerte] [Fred y Colin vivos] [Harry x Harem]
Crossover - Harry Potter & Avengers - Rated: M - Spanish - Fantasy/Sci-Fi - Chapters: 9 - Words: 13,985 - Reviews: 18 - Favs: 98 - Follows: 117 - Updated: 2/10 - Published: 5/12/2019 - [Hermione G., Fleur D., Harry P.] Nick F.
Fostering Fate's Undoing by GypsyNinja2BirdBlunder reviews
Freak Dursley didn't even know his own name. He did know that he didn't like the Dursley's. And he did know that the boy with the goggles and hatchets was probably here to kill them. Maybe, if Freak helped, the boy with the goggles and the hatchets would take him away too.
Crossover - Harry Potter & Slender - Rated: T - English - Family - Chapters: 14 - Words: 44,330 - Reviews: 99 - Favs: 537 - Follows: 601 - Updated: 2/10 - Published: 3/15/2020 - Harry P.
Will of Nature by LegilimensLight reviews
James Potter was a rogue scoundrel with a penchant for pranks and mischief. And yet, his potential for greatness earned him a blessing from a divine being: one that now passes to his son, who seeks to master the gifts within, though not without a little help. Summary copied from DZ2's 'Defender of Magic' Challenge (HP/Celtic Myth-inspired)
Crossover - Harry Potter & Percy Jackson and the Olympians - Rated: K+ - English - Adventure/Fantasy - Chapters: 2 - Words: 2,243 - Reviews: 1 - Favs: 11 - Follows: 16 - Published: 2/10
Daria Ravenclaw: The Year of the Owl by Meester Lee reviews
The magical education of Daria Morgendorffer, daughter of Sirius Black, first in Texas then at her first year at Hogwarts
Crossover - Daria & Harry Potter - Rated: T - English - Drama/Supernatural - Chapters: 63 - Words: 163,561 - Reviews: 91 - Favs: 26 - Follows: 40 - Updated: 2/10 - Published: 8/28/2019 - Daria M., Jake M., F. Flitwick, Arcturus B.
The Forgotten One by ChronoLord9 reviews
To sum it up, some parts might be from the true child of chaos, but mostly the plot is different. Percy has the soul of Mortus, a forgotten one. In later chapters he will reach the wizardry world and maybe even the star wars universe and others (key word: maybe)
Crossover - Percy Jackson and the Olympians & Harry Potter - Rated: K - English - Fantasy/Adventure - Chapters: 1 - Words: 334 - Reviews: 2 - Favs: 2 - Follows: 3 - Published: 2/10
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