10 Hiccup Haddock and the Winged Beasts » by Toothlove HTTYD/Harry Potter crossover where Hiccup and the gang begin their time at Hogwarts. I'd say more but that would be giving stuff away.
T, English, Adventure, chapters: 8, words: 17k+, favs: 3, follows: 5, updated: 8/6 published: 6/28, Rubeus H., Minerva M., Astrid, Hiccup
10 Harry Potter and the Haddock Twins » by Skylight369 The fourth year at Hogwarts brings a new tournament, some special guests and a few surprises along the way...
K+, English, Adventure & Humor, chapters: 4, words: 5k+, favs: 14, follows: 19, updated: 7/17 published: 5/30, Harry P., Hiccup, OC
8 How to be a wizard again » by allymisojin Hiccup was frozen ice as long as he could remember until one of his old friends came to save him. Sequel for Always Be There For You (Now Beta read, poor summary, short updates)
K+, English, Adventure & Friendship, chapters: 3, words: 1k+, favs: 14, follows: 14, updated: 7/8 published: 2/21, Harry P., Hiccup
5 Always Be There For You: What If » by allymisojin Hiccup ended up in Hogwarts. Berk is long gone. Hiccup meets Harry and helps him go through his fourth year. What if he didn't leave at all?
K+, English, Adventure & Friendship, chapters: 5, words: 8k+, favs: 5, follows: 5, updated: 6/28 published: 5/9
15 Harry Potter and the Dragon Rider of Berk » by dracomalfoysbiggestfan When Charlie Weasley finds out about Norbert from Ron he sends a letter to the greatest dragon trainer in the world, what follows is definitely not what Dumbledore had in mind for Harry's first and subsequent years at Hogwarts. This is a Hiccup adopts Harry fic, so here goes. also my first HTTYD fic too.
T, English, Family & Friendship, chapters: 4, words: 4k+, favs: 175, follows: 232, updated: 4/14 published: 1/2/2020, Harry P., Charlie W., Hiccup, Toothless
The Announcement for How To Train Your Magic by FutureAvenger94 Announcements for the future of How To Train Your Magic (my crossover)
K+, English, Fantasy & Adventure, words: 133, favs: 2, follows: 3, 2/28, Harry P., Hiccup
29 Always be there for you » by allymisojin Hiccup ended up in Hogwarts. Berk is long gone. Hiccup meets Harry and helps him go through his fourth year. But Hiccup can't go back to Berk, what would he do? Stay and help or find away to go back home?
K+, English, Friendship & Adventure, chapters: 18, words: 22k+, favs: 34, follows: 27, updated: 2/21 published: 8/18/2020, Harry P., Hiccup
13 Dragon by Yuni Stark Tome 4 : Harry passe la première épreuve du tournois d'une différente façon. Simple OS rapide.
K, French, Adventure & Friendship, words: 797, favs: 53, follows: 29, 11/24/2020, Harry P., Hiccup, Toothless
1 Harry Potter and the Mystery of the Dragons » by StarGoldFang The dragons are gone. They disappeared from the world. Some think they were exterminated, others that they simply became extinct. The wizards didn't think much about it. But magical communities have always been a little ignorant.
K+, English, Adventure, chapters: 4, words: 4k+, favs: 14, follows: 25, updated: 10/2/2020 published: 7/13/2020, Harry P.
88 A Different Life » by whitedandelions After a long life full of disappointments and betrayals, Harry Potter finds himself half drowned in a lake of a different world. The one who saves him has eyes just like his and a personality that makes Harry dream of a better life. HarryxHiccup. Set after the events of HTTYD2.
T, English, Romance & Adventure, chapters: 5, words: 13k+, favs: 715, follows: 876, updated: 8/25/2020 published: 10/5/2014, Harry P., Hiccup
2 Watching HTTYD with wizards » by allymisojin The vikings are at Hogwarts and trained the dragons for the Triwizard Tournament. Then Dumbledore shows the wizards and vikings a movie called How To Train Your Dragon. (Poor opening)
K+, English, Adventure & Fantasy, chapters: 2, words: 11k+, favs: 11, follows: 9, 8/19/2020
9 The Power He Knows Not: Harry Potter and the Dragon Mage » by Quartz Rider Harry is thrust into a marriage in order to gain additional forces in the wizarding war. Will he found love? Will he know the power that the Dark Lord knows not. This crossover is HP, Disney, Dreamworks. Not all characters from the said franchises will be mentioned.
T, English, Romance & Adventure, chapters: 3, words: 5k+, favs: 40, follows: 63, updated: 8/12/2020 published: 4/16/2020, [Harry P., Hermione G.] [Astrid, Hiccup]
1 What is Time? » by skypony02 Hiccup and the gang, aged 16, accidentally time travel to 2023! Albus S.P and Scorpius Malfoy are also 16 and 6th years. Elsa is a 7th year, Anna is a 5th year, and Kristoff & Hans are 6th years. This is an AU so some things (like the age differences between the Frozen characters) will differ from canon. Also there will be queer characters / ships. Don't like it, don't read it.
T, English, Adventure & Romance, chapters: 3, words: 8k+, favs: 4, follows: 3, updated: 7/18/2020 published: 7/16/2020
16 How to be a Wizard » by noicemorals (httyd books/bookverse) Hiccup Horrendous Haddock III, a small boy with a longish name, is 11 years old and about to start his very first year at Hogwarts School of Witchcraft and Wizardry. Join him on the first (or is it the second?) step of his journey towards becoming the greatest hero the wizarding world has ever known, the hard way.
K+, English, Adventure & Friendship, chapters: 13, words: 21k+, favs: 10, follows: 14, updated: 4/5/2020 published: 8/3/2018, Fishlegs I., Hiccup, Stoick
79 Hiccup and the Wizarding World - Vol 1: the Goblet of Fire » by Theguywholikestowrite It was a normal summers night when it happened. On the grounds of Hogwarts School of Witchcraft and Wizardry, a crack through space-time opened and from it came out a Viking boy and a Night Fury. There, Hiccup is shocked to discover that he is in fact a wizard, that every magical child was raised up knowing his name and the sad truth of what happened to the dragons.
T, English, Fantasy & Adventure, chapters: 9, words: 32k+, favs: 156, follows: 190, updated: 2/11/2020 published: 5/23/2019, Albus D., Minerva M., Hiccup, Toothless
14 Toothless in the Wizarding World » by Lightfury4ever While on a quest to find a new dragon, Hiccup and Toothess find themselves at Hogwarts
T, English, Humor & Adventure, chapters: 8, words: 3k+, favs: 29, follows: 45, updated: 11/20/2019 published: 7/9/2019, Harry P., Rubeus H., Hiccup, Toothless
64 Between Wizards And Vikings » by YadiraSleepingSky "What kind of name is Severus?" She asked. "What kind of name is Hemlock?" He countered... this wasn't exactly the kind of conversation he hoped for, not even for their first actual serious conversation. But after turning into a dragon, he didn't know what to expect any more. Fem!Hiccup
T, English, Friendship & Mystery, chapters: 14, words: 30k+, favs: 89, follows: 126, updated: 10/7/2019 published: 10/22/2017, Severus S., Hiccup
The Viking Village by alymil123 The Harrecs. The family who all have the same job... killing. But Alyssa doesn't want to kill, not with all her family has done to her. Her family talks about attacking a place called "Berk" so she goes there to warn them. She makes allies and close friends along the way, and find problems too.
K+, English, Adventure & Fantasy, words: 8k+, favs: 3, follows: 4, updated: 8/16/2019 published: 5/23/2019
5 Reborn:Fury by magic in me The world is so different, so new, compared to what she's seen before. However, Helga Horrendous Haddock was determined to see that the dragons wouldn't suffer like Harry's people had so long ago. (11) SPOILER WARNING: DO NOT READ IF YOU HAVEN'T SEEN HOW TO TRAIN YOUR DRAGON: HIDDEN WORLD!
T, English, Adventure & Friendship, words: 2k+, favs: 151, follows: 79, 5/25/2019, [Harry P., Eret] [Astrid, Hiccup]
6 A mix of tales » by Stormwitch625 Hiccup, fishlegs, and Camicazi goes to Hogwarts school of witchcraft and wizardry. There, a perilous journey awaits them, envolving an evil witch called Excellinor.
K+, English, Fantasy & Adventure, chapters: 4, words: 2k+, favs: 1, follows: 1, updated: 2/22/2019 published: 2/9/2019, Fishlegs I., Hiccup, Camicazi, Excellinor
6 Charlie Weasley y los Secretos de Berk » by EmmeCc Para poder graduarse como dragonologista, Charlie Weasley decide viajar a Noruega para aprender todo lo que pueda sobre los dragones que alguna vez habitaron las islas nórdicas y los Vikingos con los que convivieron. Charlie se embarca en este viaje sin saber que está a punto de enfrentarse a historias y secretos mucho más interesantes y peligrosos de los que había ido a buscar.
T, Spanish, Adventure & Drama, chapters: 3, words: 7k+, favs: 11, follows: 13, updated: 2/1/2019 published: 7/28/2018, Bill W., Charlie W., OC, Hiccup
5 How To Train Your Hippogriff by lillian.liu1 "This is Hogwarts, it's a magical school for witches and wizards. Places have pests like mosquitoes and flys, this place has... Magical Beasts." But a thirteen year old tames one of the most unknown beast of all.
K+, English, Adventure & Friendship, words: 1k+, favs: 9, follows: 11, 1/10/2019, Harry P., Buckbeak
1 Astrid Von Hudson & The Crystal Eggs » by KnightessValeriana Story Description inside. Book #1 of Astrid Von Hudson & The Dragons Of Phoenix
K+, English, Fantasy & Mystery, chapters: 3, words: 286, favs: 1, follows: 1, 12/18/2018, [Astrid, Hiccup] [Fishlegs I., Heather]
37 Never Tickle a Sleeping Dragon » by Kakawot When the Ministry of Magic rips Toothless and Hiccup from their time in an effort to study Alphas, they wind up at Hogwarts in 2018 and have to find a way past both the Ministry and a moody time-traveling dragon in order to get home. Meanwhile Charlie rides a dragon and Hagrid knits sweaters for the poor lost flock of Nadders turning up on his doorstep. McGonagall is not pleased.
T, English, Adventure, chapters: 13, words: 87k+, favs: 194, follows: 242, updated: 10/19/2018 published: 8/22/2017, Harry P., Charlie W., Hiccup, Toothless
3 Sons of Kronos, Half-Dragons, and Spirits: The Whole Weird Tale by Kuhbillion11 What it sounds like. K for safety, Half-Dragon!Hiccup
K+, English, Adventure & Supernatural, words: 75, favs: 4, follows: 6, 7/23/2018