Harry Potter Crossovers
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The Sea Seer by HappyHound reviews
Percy Jackson is not a demigod in this one. Born into the Harry Potter Universe unknowingly apart of the magical world, and far more important than he would ever expect. Can Percy manage to survive the coming war, or even his magical classes?
Crossover - Harry Potter & Percy Jackson and the Olympians - Rated: K+ - English - Chapters: 20 - Words: 46,093 - Reviews: 97 - Favs: 274 - Follows: 363 - Updated: 8/27 - Published: 7/5/2020 - Percy J.
A Witch’s Cat by Laid-Back Brit reviews
During her visit to Diagon Alley to pick up supplies for her third year at Hogwarts, Hermione decides to get an animal companion to take to school with her. While searching the Magical Menagerie, she is astonished to come across a talking, wise-cracking cat. Will the mischievous moggy convince the young witch to adopt him to be her pet?
Crossover - Sabrina the Teenage Witch & Harry Potter - Rated: K - English - Humor/Fantasy - Chapters: 1 - Words: 1,361 - Reviews: 3 - Favs: 6 - Follows: 2 - Published: 8/27 - Salem S., Hermione G. - Complete
Draco's Destiny by TheAutumnSpy reviews
Draco has encountered Death... and he has a mission for him. Thrown into a new world Draco has to learn who to trust and how to survive in this odd world
Crossover - Harry Potter & Avengers - Rated: T - English - Chapters: 6 - Words: 8,817 - Reviews: 53 - Favs: 198 - Follows: 302 - Updated: 8/27 - Published: 11/7/2015 - Draco M., Black Widow/Natasha R., Captain America/Steve R., Hawkeye/Clint B.
Harry Potter and the Myriad of Possibilities: Prologue by Shamrock Holmes reviews
(Previously known as Last Daughter of Krypton: Prologue) Black Canary, Superboy, Artemis and Miss Martian each have their unique perspective on the events of the early days of the Team. Black Canary/Green Arrow, SuperMartian
Crossover - Harry Potter & Young Justice - Rated: T - English - Chapters: 23 - Words: 100,191 - Reviews: 19 - Favs: 74 - Follows: 92 - Updated: 8/27 - Published: 10/1/2021 - Conner K./Superboy, Artemis C./Artemis, Megan M./Miss Martian, Dinah L./Black Canary
You Won't Get What You Want by onthewayyy reviews
Johnny thought being free of his curse would make his life infinitely better, but with the one thing that made him strong gone and a war brewing, it's quite the opposite. Confusing feelings for friends and a Dark Lord with an ace up his sleeve make for an interesting year. Sequel to 'Long Road, No Turns'. Takes place in sixth year, will more or less follow the events of HBP.
Crossover - Harry Potter & Ghost Rider - Rated: M - English - Adventure/Romance - Chapters: 13 - Words: 72,748 - Reviews: 1 - Favs: 18 - Follows: 17 - Updated: 8/27 - Published: 1/9 - Harry P., Hermione G., Albus D., Tracey D.
Book Club by megamatt09 reviews
AU. After being freed, Astra wants to know all about the life of her old friend, Harry. So, the Legends, along with Harry Potter, Lena Luthor, and Kara Danvers, along with some guests, read the Harry Potter series. More in the author's notes.
Crossover - Harry Potter & Legends of Tomorrow - Rated: T - English - Humor/Supernatural - Chapters: 27 - Words: 131,814 - Reviews: 85 - Favs: 157 - Follows: 166 - Updated: 8/27 - Published: 3/13 - Harry P., Mick Rory / Heat Wave, Sara Lance/White Canary, Astra L.
Ruined Vacation by DaughteroftheOneTrueKing reviews
Lily's vacation is interrupted by an alien attack.
Crossover - Harry Potter & Avengers - Rated: T - English - Chapters: 1 - Words: 1,874 - Reviews: 2 - Favs: 8 - Follows: 9 - Published: 8/27 - Complete
Once Upon a Witch ! by Snapy49 reviews
Regina has a big secret, when Daniel dies, she realizes she's pregnant. She is forced to abandon the baby in our world. Filled with remorse and regret, she leaves in search of her daughter, currently a student at Hogwarts. Will she manage to recreate this lost story with her Hermione?
Crossover - Harry Potter & Once Upon a Time - Rated: T - English - Adventure/Family - Chapters: 58 - Words: 62,876 - Reviews: 88 - Favs: 294 - Follows: 299 - Updated: 8/27 - Published: 2/20/2018 - Hermione G., Henry Mills, Regina M./The Evil Queen, Robin Hood
Once Upon a Witch by Snapy49 reviews
Regina a un lourd secret, à la mort de Daniel, elle se rend compte qu'elle est enceinte. Elle se voit obligée d'abandonner le bébé dans notre monde. Remplie de remords et de regrets, elle part alors à la recherche de sa fille, actuellement étudiante à Poudlard. Arrivera-t-elle à recréer cette histoire perdue avec sa chère Hermione ?
Crossover - Harry Potter & Once Upon a Time - Rated: T - French - Adventure/Family - Chapters: 58 - Words: 69,114 - Reviews: 189 - Favs: 69 - Follows: 97 - Updated: 8/27 - Published: 11/13/2017 - Hermione G., Henry Mills, Regina M./The Evil Queen, Robin Hood
Un vampire pour amant by Ginnymione.lily2 reviews
Suite de la fin alternative de Trahison Harry et sa famille partent vivre à Forks où ils retrouvent une vieille connaissance qu'ils pensaient morte. Mais ce fameux sorcier a perdu ses pouvoirs et ne se souvient pas d'eux.
Crossover - Harry Potter & Twilight - Rated: T - French - Tragedy/Romance - Chapters: 11 - Words: 13,912 - Reviews: 29 - Favs: 38 - Follows: 52 - Updated: 8/27 - Published: 2/26
The Four Great Houses by AWellWish reviews
The Hogwarts Houses as strict factions in society. Divergent inspired AU
Crossover - Harry Potter & Divergent Trilogy - Rated: K - English - Drama - Chapters: 1 - Words: 2,663 - Reviews: 2 - Favs: 2 - Follows: 1 - Published: 8/27 - Complete
Bad Meets Evil by MossLynne
For The Houses Competition During the summer before his first year at Hogwarts, Draco meets an unruly young individual and learns an important lesson.
Crossover - Harry Potter & Game of Thrones - Rated: T - English - Chapters: 1 - Words: 1,450 - Favs: 1 - Published: 8/27 - Draco M., Lucius M., Joffrey B. - Complete
Death Is Buffy's Next Great Adventure by dance in the dark reviews
After Willow fails to resurrect Buffy, Buffy wakes in 1942 with amnesia. Sent to a London orphanage she meets a mysterious boy & learns the world is at war. Both worlds, the wizarding and the muggle one. Why is Grindelwald's henchman interested in her? What's a Slayer? Why is there a boggart living in her closet? Who are her family? Maybe her new friend Tom Riddle can help her?
Crossover - Buffy: The Vampire Slayer & Harry Potter - Rated: K+ - English - Drama/Fantasy - Chapters: 93 - Words: 315,367 - Reviews: 529 - Favs: 101 - Follows: 149 - Updated: 8/27 - Published: 9/3/2020 - Buffy S., Joyce S., Tom R. Jr., Gellert G.
The Great Eregion Switcharoo by Astrance
This work began in all its unhinged, cracked, glory when the Amaz*n show (you know the one) revealed Celebrimbor's character design. No diss to the actor, who probably did his best, but he looks like Gilderoy Lockhart. From this simple, albeit idiotic, realization, a question was born: what would happen if Celebrimbor of Eregion and Gilderoy Lockhart switched places?
Crossover - Harry Potter & Lord of the Rings - Rated: K+ - English - Humor/Drama - Chapters: 2 - Words: 9,423 - Favs: 2 - Follows: 2 - Updated: 8/27 - Published: 8/20 - Ron W., Gilderoy L., Sauron, Celembrimbor
When Friendships Aren't Dreams by Aya Diefair reviews
Harry is invited to tour a couple of schools that took an interest in him after an unfortunate event occurred. He worries that he will be institutionalized, but all he did was protect his dad, Tony Stark, from danger. At least he still has friends. - — Part of the Dreams Saga
Crossover - Harry Potter & Avengers - Rated: T - English - Family/Hurt/Comfort - Chapters: 1 - Words: 2,858 - Reviews: 2 - Favs: 6 - Follows: 9 - Published: 8/27 - Harry P., Blaise Z., Iron Man/Tony S., Spider-Man/Peter Parker - Complete
Ironclad by lillyseyes reviews
Tony Stark had helped his cousin have a child when it was discovered he was unable to sire one, on the agreement the Tony would raise him if something happened to Lily and James Potter.
Crossover - Harry Potter & Ironman - Rated: T - English - Family/Adventure - Chapters: 14 - Words: 31,448 - Reviews: 74 - Favs: 252 - Follows: 391 - Updated: 8/26 - Published: 7/15 - Harry P., Sirius B., H. Hogan/Happy, A. E. Stark/Tony
Just a Bit of Luck by Jetainia reviews
Good fortune blowing on the wind that guided Qui-Gon just where he needed to go.
Crossover - Star Wars & Harry Potter - Rated: K - English - Chapters: 1 - Words: 3,192 - Reviews: 2 - Favs: 18 - Follows: 20 - Published: 8/26 - [Qui-Gon J., Harry P., Luna L.] Obi-Wan K. - Complete
Magic Graffiti by Ebenbild reviews
Hermione wakes up hurt and without a wand in the Department of Mysteries after she, Harry, Neville, Luna, Ron and Ginny went there to save Sirius. There's just one thing she can do now to help her friends. AU! HP5 ending; AU!Granger Family! Slight "The Eternals" spoilers;
Crossover - Harry Potter & Avengers - Rated: T - English - Family/Hurt/Comfort - Chapters: 1 - Words: 3,269 - Reviews: 16 - Favs: 40 - Follows: 29 - Published: 8/26 - Hermione G., Dr. Strange/Stephen S. - Complete
Le Maître des Potions et la sultane by Marina Ka-Fai reviews
La sultane Luna a réveillé en Severus un sentiment oublié : l'amour. [Magnificent Century : Kösem/Harry Potter]
Crossover - Harry Potter & Misc. Tv Shows - Rated: K+ - French - Romance - Chapters: 1 - Words: 624 - Reviews: 1 - Favs: 1 - Follows: 1 - Published: 8/26 - Severus S. - Complete
Mistress of Death Amongst Immortals by Ninjettey reviews
Leilani Alula Potter, the first girl to be born into the Potter line, has vanished, along with Hermione Granger. After accusations of being the next Dark Lady, Leilani, Hermione, and her husband decide to use an experimental Interdimensional Travel Device. Leaving the wizarding world behind. HP/TVD crossover. Starting a little before the pilot. (HP Books/Movies don't exist.)
Crossover - Harry Potter & Vampire Diaries - Rated: T - English - Fantasy - Chapters: 13 - Words: 35,109 - Reviews: 41 - Favs: 184 - Follows: 237 - Updated: 8/26 - Published: 5/21 - Harry P., Hermione G., Damon S., Jeremy G.
Harry Potter and the Spirit of Revenge by Lexarius reviews
Voldemort kills Harry in Little Hangleton Cemetery. Grave mistake, for Harry returns from death with the Power-the-Dark-Lord-Knows-Not.(Slow advancement, short chapters, multiple POVs).
Crossover - DC Superheroes & Harry Potter - Rated: M - English - Supernatural/Horror - Chapters: 20 - Words: 57,782 - Reviews: 248 - Favs: 1,160 - Follows: 1,554 - Updated: 8/26 - Published: 6/30/2019 - Harry P., Hermione G., Luna L.
SuperPotterLock - The Order of the Phoenix by Nurmengardx reviews
'In here,' one of them muttered, as he tried the handle to the kitchen door. 'Alohomora.' The door clicked open, and the Death Eater crept slowly inside. John's heart raced, and he pushed his mother even further into the shadows.
Crossover - Harry Potter & Supernatural - Rated: T - English - Adventure/Mystery - Chapters: 33 - Words: 156,108 - Reviews: 54 - Favs: 54 - Follows: 62 - Updated: 8/26 - Published: 3/18/2020 - [Castiel, Dean W.] Harry P., Hermione G.
Little Lightning DiNozzo by Ijustwanttobeme reviews
After a beating lands 4 year old Harry Potter in the Hospital it is discovered Tony DiNozzo is his father. Tony must step up with some help from his Boss and Partner to help raise Harry with all the new adventures they will go on. *This is also being written on AO3 on my account ijustwanttobeme**
Crossover - Harry Potter & NCIS - Rated: T - English - Chapters: 27 - Words: 41,044 - Reviews: 10 - Favs: 123 - Follows: 144 - Updated: 8/26 - Published: 7/24 - Harry P., Jimmy P., Leroy Jethro Gibbs, Tony D.
Ocean of Freedom by Queen Ryuu reviews
Violet Potter is the twin sister of Boy Who Lived. Given to the Dursley at a young age she is treated no better than a slave. She is saved by the Goddess of the blues who gives her the task to travel her seas while armed with gift to assist her. Adopted from TheBlackSeaReaper, formerly Chaos of the Sea
Crossover - Harry Potter & One Piece - Rated: T - English - Adventure - Chapters: 3 - Words: 4,734 - Reviews: 17 - Favs: 137 - Follows: 168 - Updated: 8/26 - Published: 8/7 - Harry P., Luffy, Ace
Matchmakers' Stew by Ash Juillet reviews
After they realise Alice has seen Hermione beside Jasper in her vision, Emmett and Alice, the chaotic siblings they are, come up with a mischievous plan to bring them together.
Crossover - Harry Potter & Twilight - Rated: T - English - Humor/Friendship - Chapters: 1 - Words: 3,168 - Reviews: 3 - Favs: 24 - Follows: 37 - Published: 8/26 - [Hermione G., Jasper] Alice, Emmett
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