Movies Like Significant Other

If you liked Significant Other (2021), a horror movie directed by Quinn George, here are 20 movies with a similar feel, based on TMDB's recommendations. Each one links to its cast, trailer and where it's streaming.

1
Never Let Go (2024)
★ 6.1/10Also horror
As an evil takes over the world beyond their front doorstep, the only protection for a mother and her twin sons is their house and their family’s protective bond.
2
Oculus (2014)
★ 6.5/10Also horror
A woman tries to exonerate her brother's murder conviction by proving that the crime was committed by a supernatural phenomenon.
3
Whisper (2007)
★ 6.3/10Also horror
Sinister things begin happening to kidnappers who are holding a young boy for ransom in a remote cabin.
4
The Dreadful (2026)
★ 5.9/10Also horror
In medieval England, Anne and her domineering mother-in-law Morwen struggle to survive on the outskirts of society. But when a man from Anne's past returns from war, a curse begins to take shape through a mysterious…
5
Z (2019)
★ 6.5/10Also horror
A family find themselves terrorized by their eight-year-old son's imaginary friend.
6
Play Dead (2025)
★ 6.3/10Also horror
A woman wakes up injured in a basement surrounded by corpses. To survive, she pretends to be dead while a grotesque ritual unfolds in the house above.
7
The Last House (2026)
★ 6.8/10Also horror
A family suddenly sealed inside their home must work together to survive against dwindling resources and the ominous threat keeping them trapped.
8
Blackwood (2014)
★ 5.9/10Also horror
Having recovered from a shattering emotional breakdown, college professor Ben Marshall relocates to the countryside with his wife and young son, hoping for a fresh start. He has a teaching job lined up and a new home…
9
Don't Be Afraid of the Dark (2010)
★ 5.8/10Also horror
A young girl sent to live with her father and his new girlfriend discovers creatures in her new home who want to claim her as one of their own.
10
The Boy Behind the Door (2020)
★ 6.2/10Also horror
Bobby tries to save himself and his best friend when they are kidnapped on their way home from school.
11
Daddy's Head (2024)
★ 5.9/10Also horror
A boy and his stepmother fear for their safety after an eerie creature resembling the boy's recently deceased father visits them.
12
You're Not Alone (2020)
★ 5.8/10Also horror
After the premature death of her estranged husband, Emma (Winter) regains custody of their young daughter Isla (Jones) and hopes to rebuild their relationship after many years apart. But when an evil entity begins to…
13
Saint Catherine (2024)
★ 6.2/10Also horror
An orphaned girl is rescued from a satanic ritual and taken to Saint Catherine Institute for homeless youth. There she will learn new skills while facing demons that stalk her.
14
Abigail Haunting (2020)
★ 6.7/10Also horror
After escaping the clutches of an abusive relationship, Katie reluctantly returns to the foster home she grew up in. Little does she know, her foster mother Marge is harboring a sinister secret dating back a decade…
15
Silver Bullet (1985)
★ 6.7/10Also horror
The small city of Tarker's Mills is startled by a series of sadistic murders. The population fears the work of a maniac, but sightings of a mysterious, hairy creature soon spread. People lock themselves up at night…
16
Arcadian (2024)
★ 6/10Also horror
In the near future, on a decimated Earth, Paul and his twin sons face terror at night when ferocious creatures awaken. When Paul is nearly killed, the boys come up with a plan for survival, using everything their…
17
Curve (2016)
★ 6.9/10Also horror
Clinging to a smooth, curved surface high above a sentient abyss, a woman tries to cover the few feet back to safety without losing purchase and falling to her death.
18
The Cellar (2022)
★ 6.4/10Also horror
When Keira Woods' daughter mysteriously vanishes in the cellar of their new house in the country, she soon discovers there is an ancient and powerful entity controlling their home that she will have to face or risk…
19
Monster (2005)
★ 6.7/10Also horror
A mother battles with her son's fear of a monster lurking in the closet, but soon discovers a sinister presence all around her.
20
The Boogeyman (2023)
★ 6.4/10Also horror
Still reeling from the tragic death of their mother, a teenage girl and her younger sister find themselves plagued by a sadistic presence in their house and struggle to get their grieving father to pay attention before…