20 best movies like You Are Not My Mother (2021)

A young teacher discovers that her troubled student's father and younger brother harbor a deadly supernatural secret. Taking the boy into her care, the teacher must fight for their survival against horrors beyond imagination.

Fifteen-year old John Cleaver is dangerous, and he knows it. He’s obsessed with serial killers, but really doesn’t want to become one. Terrible impulses constantly tempt him, so for his own sake, and the safety of those around, he lives by rigid rules to keep himself “good” and “normal”. However, when a real monster shows up in his town he has to let his dark side out in order to stop it – but without his rules to keep him in check, he might be more dangerous than the monster he’s trying to kill.

In a dusty post-war summer in rural Warwickshire, a doctor is called to a patient at lonely Hundreds Hall. Home to the Ayres family for over two centuries, the Georgian house is now in decline. But are the Ayreses haunted by something more sinister than a dying way of life?

A young woman quits her teaching job to be a private tutor (governess) for a wealthy young heiress who witnessed her parent's tragic death. Shortly after arriving, the girl's degenerate brother is sent home from his boarding school. The tutor has some strange, unexplainable experiences in the house and begins to suspect there is more to their story.

A young girl, Johanna, is attacked and seemingly murdered. Her father receives a phone call from the police pronouncing her dead as he sees her walk in the front door of their house. Strange things begin to happen to Johanna; she is disorientated and becomes pale and unresponsive. Similar attacks begin to happen, and Johanna’s father takes it on himself to find out the truth. He embarks on a dark thrill ride of lost memories, conspiracy, and zombie-like symptoms. Finding the mysterious darkness within is the source of the bizarre world he has uncovered.

A torn suburban family refuses to heed the warning of an innocent prank left upon them which causes an unknown supernatural force to wreak havoc.

1920, rural Ireland. Anglo-Irish twins Rachel and Edward share a strange existence in their crumbling family estate. Each night, the property becomes the domain of a sinister presence (The Lodgers) which enforces three rules upon the twins: they must be in bed by midnight; they may not permit an outsider past the threshold; and if one attempts to escape, the life of the other is placed in jeopardy. When troubled war veteran Sean returns to the nearby village, he is immediately drawn to the mysterious Rachel, who in turn begins to break the rules set out by The Lodgers. The consequences pull Rachel into a deadly confrontation with her brother - and with the curse that haunts them.

Rebecca is suspicious of Ernessa, the new arrival at her boarding school. But is Rebecca just jealous of Ernessa's bond with Lucie, or does the new girl truly possess a dark secret?

Two mysterious women seek refuge in a run-down coastal resort. Clara meets lonely Noel, who provides shelter in his deserted guesthouse, Byzantium. Schoolgirl Eleanor befriends Frank and tells him their lethal secret. They were born 200 years ago and survive on human blood. As knowledge of their secret spreads, their past catches up on them with deathly consequence.

A teen faces a night of terror when three malevolent trick-or-treaters come knocking at her door.

Vlad Tepes is a great hero, but when he learns the Sultan is preparing for battle and needs to form an army of 1,000 boys, including Vlad's son, he vows to find a way to protect his family. Vlad turns to dark forces in order to get the power to destroy his enemies and agrees to go from hero to monster as he's turned into the mythological vampire Dracula.

A land surveyor working in an unnamed woodland area is disturbed and beguiled by a strange silhouette that moves amongst the trees.

A teenager's attempts to bring a brilliant surgeon into his dysfunctional family take an unexpected turn.

A grieving couple move to a remote Irish village in the wake of their baby daughter's death. They soon take in an orphaned autistic girl, only to become involved in a series of strange occurrences.

A loving father finds a clown suit for his son's birthday party, only to realize the suit is part of an evil curse that turns its wearer into a killer.

When troubled teen Lincoln is subjected to severe bullying, he accidentally conjures the vengeful ghost of Moira Karp. Once a teenage girl pushed to suicide, Moira is now an unstoppable force on a mission of gruesome retribution. But when she goes too far, Lincoln must prevent her from spiraling out of control.

Spirit Lake is unusually deep. No diver has ever managed to find the bottom. When Dr. Amelia Brooks disappears during a deep-water dive, her three daughters travel home. They find themselves unable to let go and become drawn into the mysteries of the lake.

WE GO ON tells the story of one man's quest to find out if there is more out there after we die. Paralyzed by his fear of dying, Miles Grissom offers a cash reward to the first person who can show him a ghost, an angel, a demon anything that can prove that we go on after our deaths. He narrows the responses down to three viable candidates a scientist, a medium, and a worldly entrepreneur. Along with his fiercely protective mother, he embarks on an adventure that will spiral into an unthinkable nightmare.

Two brothers team up to battle a creature under the bed, in what is being described as a "suburban nightmare" tale.

Survivors of a nuclear attack are grouped together for days in the basement of their apartment building, where fear and dwindling supplies wear away at their dynamic.

Royal Marine A.J Budd awakes in a mysterious house and is forced to fight for his life everyday against grotesque inhuman opponents. Trapped alone in an unchanging prison of unbreakable routines, he must kill every day or die himself. As days stretch into years, the isolation and unceasing violence threaten his very soul.

When Simon brings his twelve year-old son, Finn, to rural Vermont to help flip an old farmhouse, they encounter the malicious spirit of Lydia, a previous owner. And now with every repair they make - she's getting stronger.

Every parent's worst nightmare is just the beginning for Rachel's ordeal as in the aftermath of a tragic accident, she and her husband Anthony decide to move to the other side of the world to focus on their surviving twin son Elliot. What begins as a time of healing and isolation in the Finnish countryside turns into a desperate battle for the very soul of their son as an entity claiming to be his dead twin brother takes over Elliot — setting Rachel on a diabolical journey to unravel the horrible truth about her twin son.

When a tour guide breaks into America's Most Haunted House, a bit of amateur ghost hunting with friends turns into more horror than they could have ever imagined.

Kate Bowman (Jocelin Donahue) is an average social worker who, after the sudden death of her twin sister, is investigating the mysterious deaths of other people who died in their sleep. Shortly before their deaths, the victims all reported a supernatural force that appeared to them while they were suffering from sleep paralysis. When Kate investigates further into the case, she opens herself up to the creature's wrath and soon finds herself and her family suffering from an ancient evil.

An adventurous woman with a secret from her husband insists they go for a romantic camping trip in a remote wood to reconnect and share some quality time. But their idyll is shockingly cut short after a group of nearby hunters are brutally killed by a mysterious creature. Trapped inside their tent, the couple is forced to help one of the injured hunters and together they plan their escape. Is there really something supernatural hidden in the forest? Or is it just their imaginations running riot. Soon they must determine if the real threat is inside or outside their enclosure

A documentary filmmaker turns his lens on an enigmatic conspiracy theorist who claims he's found the entrance to a vast underground city populated entirely by monsters.

Two high school filmmakers decide to create the illusion of a haunting on an unsuspecting neighbor.

In the Iranian ghost-town Bad City, a place that reeks of death and loneliness, the townspeople are unaware they are being stalked by a lonesome vampire.

When an ingénue's sudden popularity threatens to shove her out of the spotlight, a movie star uses black magic in an attempt to derail her career.

The government cover-up of the causes behind a massive explosion in a futuristic UK metropolis spur photo journalist Jennifer Preston on to search for the truth and in the process blow open a paranormal phenomenon haunting the city.

Two young American women go on a Mediterranean vacation and uncover the watery lair of a killer mermaid hidden beneath an abandoned military fortress.

Ethan is suffering enormous guilt after his parents are killed in a car accident. He quits a promising future at MIT and work on a revolutionary experiment in order to care for his younger siblings.

A mother and her young son release unimaginable horrors from the attic of their rural dream home.

As a mother and daughter struggle to cope with the terrors of the post-revolution, war torn Tehran of the 80s, a mysterious evil begins to haunt their home.

An orange Chevrolet Impala drives across a cemetery towards an abandoned shipwreck in the middle of a desert landscape. It is the 22nd of January, 1965. The day before, the Iranian prime minister was shot dead in front of the parliament building. Inside the wreck, a banished political prisoner has hung himself. The walls are covered in diary entries, literary quotes and strange symbols. Can they help Police Inspector Babak Hafizi in his investigations? Will they shed any light on why there is always an earthquake whenever somebody is buried in this desert cemetery?

A single mother, plagued by the violent death of her husband, battles with her son's fear of a monster lurking in the house, but soon discovers a sinister presence all around her.

Young Emily Walton, who has suffered from psychosomatic blindness ever since the car accident that took her mother's life, must summon every instinct at her disposal to protect herself and her loved ones from a mysterious intruder

It's summer. One endless, sexy party under the open sky. Tina and her friends are living the dream of a whole generation of decadent Berlin-party-kids. But after one excessive night she's haunted by a mysterious ugly creature in nightmares she has. The only person she talks about her fears to is her psychologist. His advice is to confront her fears and to reach out to the creature. At first Tina refuses but after she hears about her parents' plans to put her in a mental hospital she starts talking to the creature. She slowly realizes that the creature is an incarnation of her fears and that it has the same feelings she does. Afraid of being called a freak she starts hiding the creature in her room. After a while she even gets close to it. It's almost like a relationship with a wild stray animal. For the first time in her life, it almost seems as if Tina has the courage to be herself. But then her parents and her friends see the creature…

Vanessa Helsing, the daughter of famous vampire hunter and Dracula nemesis Abraham Van Helsing is resurrected five years in the future to find out that vampires have taken over the world and that she possesses unique power over them. She is humanity’s last hope to lead an offensive to take back what has been lost.

Sarah returns with her father and uncle to fix up the family's longtime summerhouse after it was violated by squatters in the off-season. As they work in the dark, Sarah begins to hear sounds from within the walls of the boarded-up building. Although she barely remembers the place, Sarah senses the past may still haunt the home.

When zombies overrun San Francisco, a desperate group survives by locking themselves inside Alcatraz Prison. When the undead breach the island, our heros are forced to return to the mainland overrun with the undead.

A psychological horror about a young woman coping with an unwanted pregnancy after moving into a seemingly haunted house.

Suspecting that people around him are turning into evil creatures, a troubled man questions whether to protect his only friend from an impending war, or from himself.

Having recently found God, self-effacing young nurse Maud arrives at a plush home to care for Amanda, a hedonistic dancer left frail from a chronic illness. When a chance encounter with a former colleague throws up hints of a dark past, it becomes clear there is more to sweet Maud than meets the eye.

Vera, Ray, and Sam, a seemingly normal family, are haunted by more than mere ghosts. The lingering horror of their past threatens their ability to function as a loving family until they become enlightened by a mystical encounter. From that moment on, they're thrust into a horror worse than anything they've ever experienced. Personal demons manifest and tear the family apart from the inside out as they come to terms with their past.

A horror comedy based on the ancient legend about a pagan creature who punishes children on Christmas.

17-year old Eli moves with his family to the isolated farm of reclusive Waylon, a man whose dark past threatens to overtake him. Eli’s family works to restore the desolate fields, while he becomes fascinated with the forests. While on the farm, Eli meets the mysterious Amanda when she gives him an apple. The next day she extracts a promise from him to avoid the deep woods. Reeling from a violent encounter with his father, one night he breaks this promise and finds her body hanging from a tree.

Three college students on a road trip across the Southwest experience a detour – the tracking of a computer genius who has already hacked into MIT and exposed security faults. When the trio find themselves drawn to an eerily isolated area, suddenly everything goes dark. When one of the students regains consciousness, he finds himself in a waking nightmare.

A mother of two inherits a home from her aunt. On the first night in the new home she is confronted with murderous intruders and fights for her daughters' lives. Sixteen years later the daughters reunite at the house, and that is when things get strange...