Castiel (Supernatural) FanFiction

Set it up!

Set it up!

F/F
F/M
M/M
G
Updated
11.04.2025
Fandom
Supernatural (TV 2005) Set It Up (2018)
Characters
Original Female Character(s), Original Male Character(s), Sam Winchester, Dean Winchester, Castiel/Dean Winchester, Charlie Bradbury & Dean Winchester, Dean Winchester & Sam Winchester, Castiel & Sam Winchester, Charlie Bradbury & Castiel, Jessica Moore/Sam Winchester, Ellen Harvelle/Bobby Singer, Bobby Singer & Dean Winchester,
Tags
Fluff Alternate Universe - Modern Setting Friends to Lovers Mutual Pining Tooth-Rotting Fluff Texting Old Married Couple Idiots in Love Falling In Love First Kiss Fix-It Sleepy Kisses
Castiel Novak is the assistant to Ellen Harvelle, a former journalist and now editor of an online sports journalism empire. Dean Winchester is the assistant to high-strung venture capitalist Robert Singer. They work in the same building, both grindin...
New world same story

New world same story

F/M
M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling Supernatural (TV 2005)
Characters
Harry Potter, Sam Winchester, Dean Winchester, Castiel (Supernatural), Bobby Singer (Supernatural), Death (Harry Potter), Harry Potter/Dean Winchester, Death the Horseman (Supernatural)
Tags
Master of Death Harry Potter
Angel

Angel

F/F
F/M
G
Updated
11.04.2025
Fandom
Supernatural (TV 2005)
Characters
Original Characters, Sam Winchester, Dean Winchester, Castiel/Dean Winchester, Castiel/Meg | Demon Possessing Meg Masters, Castiel (Supernatural), Gabriel (Supernatural), Jack Kline, Eileen Leahy/Sam Winchester, Kaia Nieves/Claire Novak, Balthazar (Supernatural), Michael (Supernatural),
castiel个人中心向文章，脑洞粮食向，时间线从s1之前一直到s15之后，没什么主线，全是我对原剧的脑洞补充和角色的理解。作者是杂食，介意属性的洁癖请注意，第三章有megstiel暧昧向，第七章有destiel/cd向，但是c–>d的感情这篇文章里我更偏向于神性人性都有，是我自...
Dana Potter - Winchester

Dana Potter - Winchester

F/F
F/M
M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling Supernatural (TV 2005)
Characters
Harry Potter, Sam Winchester, Dean Winchester, Minerva McGonagall, Severus Snape, Draco Malfoy, Ron Weasley, Hermione Granger, Lucius Malfoy, Alastor "Mad-Eye" Moody, Molly Weasley, Arthur Weasley,
Tags
Implied/Referenced Child Abuse Adoption Female Harry Potter Protective Dean Winchester Angry Dean Winchester muggles in a magical world Dean adopts a child Sam is the Cool Uncle how to deal with a scared girl
When a hurt, cold, wet and hungry girl crosses paths with Sam and Dean Winchester, everything changed.
So what now baby?

So what now baby?

M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling Supernatural (TV 2005)
Characters
Harry Potter, Sam Winchester, Dean Winchester, Castiel (Supernatural), Bobby Singer (Supernatural), Lucifer (Supernatural), Death (Harry Potter), Death & Harry Potter, Harry Potter/Dean Winchester, Death the Horseman (Supernatural)
Tags
Master of Death Harry Potter past Harry Potter/Dean Winchester Death is not happy Harry is not Happy Death is still angry Harry can't find a care anymore Mentioned Crowley (Supernatural) Mentioned Michael (Supernatural) Mentioned Gabriel (Supernatural) Mentioned God | Chuck Shurley Dean is heartbroken but hides it Dean is not Happy
Dean never thought he'd see that face again, no matter the tiny part of him that hurt, since he killed him.
Wayward Child

Wayward Child

Gen
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling Supernatural (TV 2005)
Characters
Sam Winchester, Dean Winchester, Hermione Granger, Jessica Moore/Sam Winchester, Castiel (Supernatural), Bobby Singer (Supernatural), Jessica Moore (Supernatural), John Winchester, Hermione Granger & Dean Winchester & Sam Winchester
Tags
Adoption BAMF Hermione Granger Post-Hogwarts Post-Second Wizarding War with Voldemort (Harry Potter) Hermione is Dean and Sam's half sister i messed with the ages season 1 supernatural - Freeform Hermione is hiding her magic Episode: s01e02 Wendigo (Supernatural)
5 years after the War, Hermione Granger finds herself increasingly stuck. She's at a mind-numbing bureaucratic job at the ministry, her connections with her friends are waning and she's finding it more difficult to see herself as the brightest witch...
Viator

Viator

Gen
M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling Supernatural (TV 2005)
Characters
Original Male Character(s), Harry Potter, Sam Winchester, Dean Winchester, Hermione Granger, Neville Longbottom, Blaise Zabini, Luna Lovegood, Minor or Background Relationship(s), Luna Lovegood & Harry Potter, Castiel (Supernatural), Bobby Singer (Supernatural),
Tags
Alternate Universe - Canon Divergence BAMF Harry Potter Established Relationship Crossover Master of Death Harry Potter eventually Smart Harry Potter Runes canon is a chew toy and i am a husky Fuck JK Rowling no beta we die like dean itll take a little bit
Now wanted fugitives Harry and Blaise find themselves in America. In between the Hunts, Harry finds himself stuck between meddling in the UK and the Winchester brothers. Surely things are going to go fine. Right? Yeah, probably not.
of hunting wizards and growing pains

of hunting wizards and growing pains

F/M
M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling Supernatural (TV 2005)
Characters
Original Characters, Harry Potter, Other Character Tags to Be Added, Sam Winchester, Dean Winchester, Draco Malfoy, Ron Weasley, Hermione Granger, Ginny Weasley, Luna Lovegood, Hermione Granger/Ron Weasley, Castiel/Dean Winchester,
Tags
Slow Burn Hurt/Comfort Hogwarts Hogwarts First Year Crossover Bad Parent John Winchester Hogwarts Fourth Year Triwizard Tournament (Harry Potter) Protective Dean Winchester Sam is eleven Dean is Fifteen Hurt Sam Winchester
What if Sam and Dean Winchester were half wizards? They are in a quite unique situation with a mother killed years ago and a wizard dad who turned into a notorious hunter.Dean has been attending Hogwarts since September 1991, alongside with the golde...
It's Still as a Pond (I am staring into)

It's Still as a Pond (I am staring into)

Gen
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling Supernatural (TV 2005)
Characters
Sam Winchester, Dean Winchester, Minerva McGonagall, Severus Snape, Dolores Umbridge, Albus Dumbledore, Filius Flitwick, Sybill Trelawney, Peeves (Harry Potter), Aurora Sinistra, Dean Winchester & Sam Winchester, Castiel (Supernatural),
Tags
Other Additional Tags to Be Added Alternate Universe Dimension Travel POV Alternating Slight Canon Divergence Book 5: Harry Potter and the Order of the Phoenix Season/Series 05 House Elves Castiel makes a brief appearance assorted characters mentioned
“Hey, I’m running the show here, cowboy. If I say the thing’s gone, then it’s gone,” he spins around in a circle just once more, eyeballing where they are distrustfully. “‘Sides, I think we have a bigger problem on our hands,”“Like what, Dean?” Sam a...
Mr. & Mr. Winchester-Potter

Mr. & Mr. Winchester-Potter

M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling Supernatural (TV 2005)
Characters
Harry Potter, Sam Winchester, Dean Winchester, Draco Malfoy, Ron Weasley, Hermione Granger, Hermione Granger/Ron Weasley, Castiel/Dean Winchester, Castiel (Supernatural), Gabriel (Supernatural), Harry Potter/Sam Winchester
Tags
Inspired by Mr. and Mrs. Smith
Life for Harry and Sam was HAPPY, because ignorance is bliss, but when something comes in and threatens that happiness, what will they do. Truths come to light, families are completed, friends are made, but what will it cost?
Merlin crossovers (short stories)

Merlin crossovers (short stories)

M/M
G
Updated
15.04.2025
Fandom
Harry Potter - J. K. Rowling Supernatural (TV 2005) Merlin (TV)
Characters
Harry Potter, Sam Winchester, Dean Winchester, Tom Riddle, Merlin/Arthur Pendragon (Merlin), Merlin (Merlin), Arthur Pendragon (Merlin), Gwen (Merlin), Morgana (Merlin), Gaius (Merlin), Castiel (Supernatural), Gwaine (Merlin),
Tags
Fluff Angst Anxiety Albus Dumbledore Bashing Age Regression/De-Aging Non-Sexual Age Play Protective Arthur Pendragon (Merlin) Duel Monsters (Yu-Gi-Oh) Jaden is in love with Jesse Jess is as in love with Jaden Jaden can feel emotions protective Jaden
On my wattpad I had all my crossovers at the same space. Decided to post it here separately and hope you enjoy this as much as I had fun writing them
The Wopke Book of Wopke

The Wopke Book of Wopke

Other
G
Updated
15.04.2025
Fandom
Harry Potter - J. K. Rowling Buffy the Vampire Slayer (TV) Supernatural (TV 2005)
Characters
Harry Potter, Sam Winchester, Dean Winchester, Taylor Swift, Remus Lupin, Sirius Black, James Potter, Peter Pettigrew, Albus Dumbledore, Voldemort (Harry Potter), Buffy Summers, Willow Rosenberg,
It all started on the 30th of September 2023. Dean’s phone had malfunctioned, and given her 3 words. Olympics, premium and HOEKSTRA. She meant to type “I can't help it” but her phone gave her the message “I cant hoekstra it.” Sam and Dean did not kn...
La tercera Winchester

La tercera Winchester

Gen
G
Updated
18.04.2025
Fandom
Harry Potter - J. K. Rowling Marvel Cinematic Universe Supernatural (TV 2005)
Characters
Harry Potter, Tony Stark, Steve Rogers, Sam Winchester, Dean Winchester, Severus Snape, Ron Weasley, Hermione Granger, Ginny Weasley, Bill Weasley, Fred Weasley, George Weasley,
Tags
Personajes Originales - Freeform Viajes en el tiempo Viaje al pasado cambio de dimension cambio de realidad
Altaira Winchester es la media hermana de los icónicos Sam y Dean Winchester, uniéndose a la pequeña familia con 3 años.Ya con 16, y una gran experiencia como cazadora, acompañará a su hermano mayor, Dean, en la búsqueda de su padre, que desapareció...
dreamydrabbles

dreamydrabbles

F/M
M/M
G
Updated
15.04.2025
Fandom
Harry Potter - J. K. Rowling X-Men - All Media Types X-Men (Movieverse)
Characters
Erik Lehnsherr/Charles Xavier, Charles Xavier, Erik Lehnsherr, Sam Winchester, Dean Winchester, Sirius Black/Remus Lupin, Remus Lupin, Sirius Black, James Potter, Peter Pettigrew, Sirius Black & Remus Lupin & Peter Pettigrew & James Potter, Tenth Doctor/Rose Tyler,
Tags
Drabble Collection Marauders Era (Harry Potter) deancaskiss's dreamydrabble
just a collection of my writing for deancaskiss' dreamydrabble event, each based off of a ship and a word
Year of the OTP - Debriel Edition

Year of the OTP - Debriel Edition

F/F
F/M
Gen
M/M
Multi
G
Updated
11.04.2025
Fandom
Supernatural (TV 2005)
Characters
Sam Winchester, Dean Winchester, Castiel (Supernatural), Charlie Bradbury, Bobby Singer (Supernatural), Ellen Harvelle, Gabriel (Supernatural), Gabriel/Dean Winchester, Benny Lafitte, Jo Harvelle, Ash (Supernatural), Victor Henriksen,
Tags
royal au Omega Verse Human AU Alpha Dean Winchester Omega Dean Winchester Alpha Gabriel (Supernatural) Omega Gabriel (Supernatural) King Dean Winchester King Gabriel Sweet Dean Winchester Sweet Gabriel (Supernatural) Soft Dean Winchester
A years worth of Debriel
Of course she remembered Charlie, who could forget her?

Of course she remembered Charlie, who could forget her?

F/F
G
Updated
12.04.2025
Fandom
Supernatural (TV 2005)
Characters
Charlie Bradbury/Rowena MacLeod, Castiel (Supernatural), Charlie Bradbury, Rowena MacLeod
Les Aventures De Camélia Potter Et De Ses Amis

Les Aventures De Camélia Potter Et De Ses Amis

F/M
M/M
Multi
G
Updated
17.04.2025
Fandom
Harry Potter - J. K. Rowling Once Upon a Time (TV) Supernatural (TV 2005)
Characters
Harry Potter, Sam Winchester, Dean Winchester, Fred Weasley, George Weasley, Blaise Zabini, Evil Queen | Regina Mills, Emma Swan, Maleficent (Once Upon a Time), Castiel/Dean Winchester, Teddy Lupin, Baelfire | Neal Cassidy,
Tags
Anal Sex Oral Sex BAMF Harry Potter Vaginal Sex Light BDSM Female Harry Potter Creature Harry Potter Elemental Magic Cute Teddy Lupin Wandless Magic (Harry Potter) Sam Winchester Has Magic Angel Dean Winchester
Découvert les aventures magique de Camélia Potter et de sais amis. Pour retrouver la famille perdue de Camélia.
The Seventh Son of a Seventh Son

The Seventh Son of a Seventh Son

F/F
F/M
M/M
G
Updated
18.04.2025
Fandom
Harry Potter - J. K. Rowling Supernatural (TV 2005)
Characters
Sam Winchester, Dean Winchester, James Potter, Lily Evans Potter, Minerva McGonagall, Castiel/Dean Winchester, Castiel (Supernatural), Charlie Bradbury, Ellen Harvelle, Claire Novak, Benny Lafitte, Jo Harvelle,
Tags
Angst Slow Burn Mutual Pining Magic Angst with a Happy Ending Emotional Hurt/Comfort Pining Angst and Drama Childhood Friends Rejection Hogwarts High School
Dean Winchester is heading back to Hogwarts for his final year. He's the newly assigned Head Boy, alongside his best friends Charlie, Cas, and Benny. This ought to be the best year of their lives as they go through the final stages of school together...
Changing Circumstances

Changing Circumstances

M/M
G
Updated
19.04.2025
Fandom
Harry Potter - J. K. Rowling Supernatural (TV 2005)
Characters
Harry Potter, Sam Winchester, Dean Winchester, Ron Weasley, Hermione Granger, Castiel/Dean Winchester, Castiel (Supernatural), Gabriel (Supernatural), Meg Masters, Crowley (Supernatural)
Khi bọn Leviathan trở nên quá khó để sử lý, Team Free Will (Đội ý chí tự do)_và những người bị bắt đi theo, trốn ở Hogwarts, sau khi bằng một cách nào đó bị biến thành những đứa trẻ mười một tuổi ở nước Anh.Truyện này không theo trình tự thời gian, c...
Random Art Pieces

Random Art Pieces

Multi
G
Updated
19.04.2025
Fandom
Harry Potter - J. K. Rowling Marvel Cinematic Universe Supernatural
Characters
Sam Winchester, Dean Winchester, Draco Malfoy, Hermione Granger, Hermione Granger/Draco Malfoy, Castiel/Dean Winchester, Castiel (Supernatural), Dean Winchester/Sam Winchester, Jessica Moore, Frodo Baggins, Sam Gamgee, Jensen Ackles,
Tags
Digital Painting
Collection of Art Pieces. Please see the first chapter or the chapter titles for pairing/fandom information! This will be a collection of MULTIPLE fandoms and Pairings.