Regulus Black & Harry Potter FanFiction

Fathers Rage

Fathers Rage

M/M
G
Updated
13.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Harry Potter, Sirius Black/Remus Lupin, Remus Lupin, Sirius Black, James Potter, Lily Evans Potter, Dolores Umbridge, Regulus Black & Sirius Black, Harry Potter & James Potter, Sirius Black & James Potter,
Tags
Torture Child Abuse Past Character Death Dolores Umbridge Being an Asshole Dolores Umbridge Bashing Centaurs Mentioned Lily Evans Potter She’s dead Past Jegulily Angry Regulus Black James and Reggie are good dads
Regulus Black reminds everyone why they are lucky he’s a good Death Eater.Remus and Sirius live with Reggie and James. Harry still has his scar.
Stay Alive

Stay Alive

G
Updated
13.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Harry Potter, James Potter, Harry Potter & James Potter, Regulus Black & Harry Potter
Tags
Angst Heavy Angst Character Death Blood and Injury Everyone Needs A Hug Grief/Mourning Hurt No Comfort I don't know why I wrote this I'm talking Song: Stay Alive (Reprise)
Regulus noticed his office door was open too late.orHarry steals Regulus' old notes and discovers the cave all on his own; a kid who just wanted to save the world and make his Dad and Papa proud.
Mistress of death

Mistress of death

G
Updated
13.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Harry Potter, James Potter, Lily Evans Potter, Evan Rosier, Barty Crouch Jr., Barty Crouch Jr./Evan Rosier, Death (Harry Potter), Death & Harry Potter, Regulus Black & Harry Potter
Tags
Alternate Universe - Canon Divergence Hurt/Comfort Time Travel Marauders Era (Harry Potter) Albus Dumbledore Bashing Female Harry Potter Slytherin Harry Potter Master of Death Harry Potter Good Regulus Black Ravenclaw Barty Crouch Jr. Harry Potter Has a Different Name Harry Potter Has a Pet Snake
Lady hydra Lillian prevell is the mistress of death. After she got send back in time by them , she is resorted into Slytherins. Her new companion medusaIs a big fan of all the snake portraits after all medusaHerself is one. Hydra makes friends with p...
Time Travel Is Hard (Raising A Kid Is Harder)

Time Travel Is Hard (Raising A Kid Is Harder)

Multi
G
Updated
13.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Harry Potter, Other Character Tags to Be Added, Sirius Black, James Potter, Lily Evans Potter, Dorcas Meadowes, Regulus Black & Sirius Black, Evan Rosier, Barty Crouch Jr., Pandora Lovegood, Walburga Black,
Tags
Regulus Black-centric Regulus Black Lives Time Travel Fix-It Regulus Black Needs a Hug Good Regulus Black Cute Harry Potter Regulus Black Raises Harry Potter Protective Regulus Black Good Parent Regulus Black Teen parent People make assumptions and Regulus doesn't correct them
Regulus Black survives the cave. A few years later, James and Lily are killed and Harry is left with Dursleys. Regulus, knowing that's not what James and Lily would've wanted, kidnaps Harry and raises him. With help from Pandora, Regulus makes a plan...
the world ended when it happened to me

the world ended when it happened to me

Gen
M/M
G
Updated
13.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Harry Potter, James Potter, Regulus Black & Harry Potter
Tags
Suicidal Thoughts Hurt/Comfort Implied/Referenced Suicide Grief/Mourning Vomiting Loss of Parent(s) POV Regulus Black Sad Regulus Black Regulus Black is Harry Potter's Parent Sad James Potter Sad Harry Potter Song: We Hug Now (Sydney Rose)
Five years ago, Regulus' world fell apart. He's still trying to figure out how to put it back together.  i have a feeling you got everything you wantedand you're not wasting time stuck here like meyou're just thinking it's a small thing that happen...
A Dangerous Game

A Dangerous Game

M/M
Multi
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Harry Potter, Other Character Tags to Be Added, Sirius Black, Tom Riddle, Harry Potter/Tom Riddle, Walburga Black, Orion Black, Marauders (Harry Potter), Black Family (Harry Potter), Orion Black/Walburga Black, Regulus Black & Harry Potter
Tags
Not Beta Read Slytherin Harry Potter Pureblood Culture (Harry Potter) Magically Powerful Harry Potter Alternate Universe - Harry Potter Setting Harry Potter & Tom Riddle Attend Hogwarts Together Warning: Tom Riddle
In this AU, Harry Potter is reincarnated into the aristocratic House of Black, a product of old blood and ancient expectations. With a sharp mind and a quiet, brooding presence, he’s sorted into Slytherin, where ambition thrives under the weight of c...
sweet child o' mine

sweet child o' mine

Gen
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Harry Potter, Severus Snape, Draco Malfoy, Albus Dumbledore, Albus Dumbledore & Harry Potter, Regulus Black & Harry Potter
Tags
Regulus Black Lives Book 6: Harry Potter and the Half-Blood Prince Regulus Black Loves James Potter Not Canon Compliant - Harry Potter and the Half-Blood Prince jegulus if you squint
Harry and Dumbledore head to the cave to retrieve the locket, only for a face that looks so familiar to climb out of the water and smile at him as if they knew each other. Maybe more than knew each other.In which Regulus Black climbs out instead of a...
Lost in Time, Found in Youth | Regulus Black

Lost in Time, Found in Youth | Regulus Black

F/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Harry Potter, Ron Weasley, Hermione Granger, Narcissa Black Malfoy, Hermione Granger & Harry Potter & Ron Weasley, Kreacher (Harry Potter), Original Female Character(s) of Color, Hermione Granger & Original Female Character(s), Harry Potter & Original Female Character(s), Regulus Black & Narcissa Black Malfoy, Regulus Black/Original Female Character(s),
Tags
Time Travel The Golden Trio Era (Harry Potter) Age Regression/De-Aging Alternate Universe - Future Potions Accident
Time is a fickle thing. Marielle Smith, better known as May or Maia, was hoping to test the limits with a new time potion.An interruption, which is known as Regulus Black, caused a pause.One little misstep is all it took for said two students to be 1...
The Prophecy Rewritten

The Prophecy Rewritten

F/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Harry Potter, Remus Lupin, Sirius Black, James Potter, Narcissa Black Malfoy, Albus Dumbledore, Regulus Black & Sirius Black, Sirius Black & James Potter, Walburga Black, Kreacher (Harry Potter),
Tags
Angst Forced Marriage Other Additional Tags to Be Added Angst with a Happy Ending Happy Ending Arranged Marriage Pureblood Culture (Harry Potter) Regulus Black Lives Regulus Black and Sirius Black Angst James Potter Loves Regulus Black Morally Grey Albus Dumbledore Regulus Black Needs a Hug
“Enough idle talk. You expect me to stand by and watch my daughter marry into a family of blood traitors?” Her gaze swept across the room, landing on James with open disdain. “The Potters have no respect for tradition, for purity. They are an insult...
I Don’t Know if This is Me at All, or Just Some Ghost Of Me that I Dreamed Up Just to Sing Myself to Sleep

I Don’t Know if This is Me at All, or Just Some Ghost Of Me that I Dreamed Up Just to Sing Myself to Sleep

Multi
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Harry Potter, Sirius Black, Severus Snape, Lucius Malfoy, Narcissa Black Malfoy, Lucius Malfoy/Narcissa Black Malfoy, Teddy Lupin, Regulus Black & Harry Potter, Narcissa Black Malfoy/Harry Potter, Teddy Lupin & Harry Potter, Lucius Malfoy/Harry Potter,
Tags
BAMF Harry Potter Fluff and Smut Fluff and Angst War Omega Harry Potter Dimension Travel No Beta We Die Like Dobby Wizarding Culture (Harry Potter) Wizarding Politics (Harry Potter) Good Malfoy Family (Harry Potter) Wizengamot (Harry Potter) Harry Potter is Lord Peverell
Harry won the war, and he paid for that victory in his blood and youth. But just a few years later, with Hogwarts gone and the ministry fallen, his only option is an ancient ritual that could taken them to a safer world; him and his godson Teddy. Wh...
Sirius Black and The Grandfather Clock

Sirius Black and The Grandfather Clock

Multi
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Harry Potter, Remus Lupin, Sirius Black, James Potter, Peter Pettigrew, Albus Dumbledore, Regulus Black & Sirius Black, Sirius Black & Remus Lupin & Peter Pettigrew & James Potter, Sirius Black & Harry Potter, Slytherin Students, Gryffindor Students,
Tags
Marauders Era (Harry Potter) Sort Of Trans Regulus Black Regulus Black Lives Good Regulus Black Harry Potter is a Little Shit Sirius Black Tries to Be a Good Sibling Young Sirius Black Professor Harry Potter Time Travelling Harry Potter Good Sibling Regulus Black Confused Sirius Black
Sirius was leaving. His life-givers were away, no doubt participating in some nefarious plot involving He-Who-Must-Not-Be-Named, but that was for the best. It gave him the time to get the hell out of dodge while they weren't looking.Unfortunately, hi...
Me and the Devil

Me and the Devil

Multi
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Harry Potter, James Potter, Luna Lovegood/Harry Potter, Death - Character, Regulus Black & Harry Potter, Thanatos, James Potter/Death, James Potter/Thanatos, Regulus Black & Lily Evans & Remus Lupin
Tags
Endgame Regulus Black/James Potter Female Regulus Black Slow Updates watching the movies regulus is death/thanatos unrequited james potter/peter pettigrew unrequited sirius black/remus lupin - Freeform pandora lovegood & evan rosier are twins
in which ; 𝘵𝘩𝘦 𝘮𝘢𝘳𝘢𝘶𝘥𝘦𝘳𝘴 𝘦𝘳𝘢 𝘸𝘢𝘵𝘤𝘩𝘦𝘴 𝘵𝘩𝘦 𝘭𝘪𝘧𝘦 𝘰𝘧 𝙝𝙖𝙧𝙧𝙞𝙨𝙤𝙣 𝙟𝙖𝙢𝙚𝙨 𝙥𝙤𝙩𝙩𝙚𝙧
A glimpse of Regulus and Voldemort co-parenting the Boy Who Lived

A glimpse of Regulus and Voldemort co-parenting the Boy Who Lived

Gen
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Harry Potter, Tom Riddle | Voldemort, Fenrir Greyback, Death Eater Characters, No Romantic Relationship(s), Regulus Black & Harry Potter, Original Elf Character(s), Regulus Black & Voldemort
Tags
Crack Crack Treated Seriously POV Third Person Limited Regulus Black is a Little Shit Parent-Child Relationship POV Regulus Black Harry Needs a Hug Manipulative Tom Riddle Possessive Voldemort (Harry Potter) Voldemort Raises Harry Potter Guardian-Ward Relationship Manipulative Voldemort (Harry Potter)
Spoilers for chapter 4 of “His Secret Ward”So what was it like for Regulus to co-parent the Boy Who Lived with the worst person ever being the other parent? Here’s a glimpse of that!
I'm still standing

I'm still standing

M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Harry Potter, James Potter, Harry Potter & James Potter, Regulus Black & Harry Potter
Tags
Family Fluff Tooth-Rotting Fluff Blood and Violence Crack Treated Seriously Slice of Life Alternate Universe - Vampire Human/Vampire Relationship Alternate Universe - Muggle Blood Drinking Pansexual James Potter Gay Regulus Black One Big Happy Family
Harry has been with James and Regulus for nearly a year. It's a miracle that James hasn't somehow accidentally cut himself in so long... well... It WAS a miracle...James cuts himself and baby vampire Harry gets really excited about the blood.Vampire/...
Couldn't Ask For A Better Home

Couldn't Ask For A Better Home

M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Harry Potter, Ron Weasley, Hermione Granger, Dean Thomas, Draco Malfoy & Harry Potter, Hermione Granger & Harry Potter & Ron Weasley, Seamus Finnigan, Harry Potter & Ron Weasley, Regulus Black & Harry Potter
Tags
Other Additional Tags to Be Added I'm Sorry I'm Bad At Tagging Harry Potter Needs a Hug Sassy Harry Potter Ron Weasley Needs a Hug they hug each other not yet tho
He reached a hand out and Ron took it.“Name’s Ron Weasley. What’s yours?” They shook hands.“Harry.” Ron tilted his head to the side and retracted his hand.“Just Harry?” Harry nodded and looked down at his hands.“For now, yes.”Or; Regulus Black raises...
Little Epiphanies

Little Epiphanies

F/F
F/M
M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Harry Potter, Sirius Black/Remus Lupin, James Potter/Lily Evans Potter, Remus Lupin, Sirius Black, James Potter, Peter Pettigrew, Lily Evans Potter, Mary Macdonald (Harry Potter), Marlene McKinnon,
Tags
Not Canon Compliant Fluff and Angst Implied/Referenced Character Death Not Beta Read Major Character Injury Marauders Era (Harry Potter) Major character death - Freeform Regulus Black and Sirius Black Angst Regulus Black Needs a Hug Number Twelve Grimmauld Place References to Abuse References to Walburga's A+ parenting
In which Regulus makes all the wrong decisions. In which Regulus makes all the right mistakes.In which Sirius fails to notice. In which Sirius fails to believe - in the worst and the best he failed to see.In which James has many regrets. In which...
Set the Madness Free

Set the Madness Free

G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Harry Potter, Sirius Black, James Potter, Regulus Black & Sirius Black, Minor or Background Relationship(s), Voldemort, Regulus Black & Harry Potter, Mary Macdonald (mentioned), Pandora Lovegood (Mentioned), Peter Pettigrew (mentioned),
Tags
Angst Sad Hurt No Comfort Regulus Black-centric Regulus Black & Sirius Black Have a Good Relationship Regulus Black Lives I Made Myself Cry Jegulus Gay Regulus Black Regulus Black Needs a Hug Grief Mourning
The Fidelius Charm was supposed to keep them all safe. They trusted the charm. They trusted Peter.That was a mistake.
Lone Star

Lone Star

M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Harry Potter, Sirius Black/Remus Lupin, Remus Lupin, Sirius Black, James Potter, Peter Pettigrew, Lily Evans Potter, Mary Macdonald (Harry Potter), Marlene McKinnon, Minerva McGonagall,
Tags
Alternate Universe - Modern Setting Mutual Pining Hurt/Comfort Fluff and Angst Implied/Referenced Child Abuse Happy Ending Established Mary Macdonald/Lily Evans Potter Established Marlene McKinnon/Dorcas Meadowes Everyone Is Gay Trans Regulus Black Queen (Band) References Established Sirius Black/Remus Lupin
When Regulus Black was eighteen years and two months old, he disappeared from his parents’ home in the middle of the night. With his newly acquired inheritance money, he legally changed his name, started HRT, and finally chopped off those god-awful t...
erised

erised

F/F
F/M
M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Harry Potter, Regulus Black & James Potter, Regulus Black & Harry Potter
Tags
Time Travel Harry Potter Needs a Hug Time Travel Fix-It Regulus Black Needs a Hug english is not my first language No Lily Evans Potter Bashing at some point Harry Potter is Not a Horcrux Harry Potter Gets the Love He Deserves Mirror of Erised (Harry Potter) Harry Potter Gets a Hug Regulus Black Gets a Hug
harry touches the mirror of erised and finds himself 13 years in past.
Beast magic's magic

Beast magic's magic

Multi
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Original Male Character(s), Harry Potter, Sirius Black, Lily Evans Potter, Severus Snape, Lucius Malfoy, Tom Riddle, Regulus Black & Sirius Black, Harry Potter/Tom Riddle, Lucius Malfoy/Narcissa Black Malfoy, Harry Potter & Severus Snape,
Tags
Time Travel Mpreg Marauders Era (Harry Potter) Albus Dumbledore Bashing Ron Weasley Bashing Creature Harry Potter Ginny Weasley Bashing Good Tom Riddle Manipulative Albus Dumbledore Molly Weasley Bashing Hermione Granger Bashing Good Severus Snape
Rewrite - With Lies have come consequences Harry Potter sabe que tiene herencia de alguna criatura mágica, pero no sabe cuál, está demasiado sorprendido como para notar bien sus nuevos rasgos y lo único que sabe hacer es mandar una nota a Dumbledore...