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The Scariest Sci-Fi Movies Rated R

Updated November 6, 2020 17.0k votes 1.4k voters 52.8k views146 items

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Here is a list of R-Rated sci-fi horror movies, ranked from best to worst with movie trailers when available. This list takes the best R-Rated sci-fi horror movies and compares them to one another other to see once and for all what the greatest R-Rated Sci-Fi horror movie of all time is. This list of popular R-Rated sci-fi horror movies includes information like who directed the film, when it was released and which actors starred in the movie. If you think the top R-Rated Sci-Fi horror movie isn't as high as it should be then be sure to vote it up so it can take its rightful place among the other great R-Rated Sci-Fi horror films on this list. If you're trying to find a specific R-Rated Sci-Fi horror film you can search this list and filter to find what you're looking for.

The list you're viewing is made up of many different movies, including Aliens and 28 Days Later.

If you're trying to find out "What are the best R-Rated sci-fi horror movies?" and "What are the most famous R-Rated sci-fi horror movies?" then this list is the perfect resource for you.

Use this list if you're looking for some new sci-fi horror movies that are rated R. Between Netflix, Hulu and other services there are thousands of great sci-fi horror movies rated R, so get out there and start watching.

Re-rank this list to fit your opinions, the share it with your friends, to find out how they would rank it via votes.

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  • 1
    The Thing
    590
    84

    The Thing

    Kurt Russell, Keith David

    Released1982

    Directed byJohn Carpenter

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  • 2
    Alien
    592
    85

    Alien

    Sigourney Weaver, John Hurt

    Released1979

    Directed byRidley Scott

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  • 3
    Aliens
    510
    84

    Aliens

    Sigourney Weaver, Bill Paxton

    Released1986

    Directed byJames Cameron

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  • 4
    Predator
    376
    118

    Predator

    Arnold Schwarzenegger, Jesse Ventura

    Released1987

    Directed byJohn McTiernan

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  • 5
    Event Horizon
    398
    134

    Event Horizon

    Laurence Fishburne, Jason Isaacs

    Released1997

    Directed byPaul W. S. Anderson

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  • 6
    The Terminator
    243
    63

    The Terminator

    Arnold Schwarzenegger, Bill Paxton

    Released1984

    Directed byJames Cameron

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  • 7
    28 Days Later
    284
    126

    28 Days Later

    Cillian Murphy, Christopher Eccleston

    Released2002

    Directed byDanny Boyle

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  • 8
    Terminator 2: Judgment Day
    260
    115

    Terminator 2: Judgment Day

    Arnold Schwarzenegger, Edward Furlong

    Released1991

    Directed byJames Cameron

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  • 9
    The Mist
    195
    80

    The Mist

    Thomas Jane, Marcia Gay Harden

    Released2007

    Directed byFrank Darabont

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  • 10
    The Fly
    229
    110

    The Fly

    Geena Davis, Jeff Goldblum

    Released1986

    Directed byDavid Cronenberg

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  • 11
    Invasion of the Body Snatchers
    148
    59

    Invasion of the Body Snatchers

    Robert Duvall, Jeff Goldblum

    Released1978

    Directed byPhilip Kaufman

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  • 12
    Pitch Black
    167
    73

    Pitch Black

    Vin Diesel, Radha Mitchell

    Released2000

    Directed byDavid Twohy

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  • 13
    A Quiet Place
    129
    53

    A Quiet Place

    John Krasinski, Emily Blunt

    Released2018

    Directed byJohn Krasinski

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  • 14
    Pandorum
    221
    126

    Pandorum

    Dennis Quaid, Norman Reedus

    Released2009

    Directed byChristian Alvart

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  • 15
    The Evil Dead
    146
    80

    The Evil Dead

    Bruce Campbell, Sam Raimi

    Released1981

    Directed bySam Raimi

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  • 16
    12 Monkeys
    122
    62

    12 Monkeys

    Brad Pitt, Bruce Willis

    Released1995

    Directed byTerry Gilliam

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  • 17
    Dark City
    113
    56

    Dark City

    Jennifer Connelly, Kiefer Sutherland

    Released1998

    Directed byAlex Proyas

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  • 18
    The Thing
    158
    94

    The Thing

    Mary Elizabeth Winstead, Eric Christian Olsen

    Released2011

    Directed byMatthijs van Heijningen, Jr.

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  • 19
    Ex Machina
    129
    76

    Ex Machina

    Domhnall Gleeson, Alicia Vikander

    Released2015

    Directed byAlex Garland

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  • 20
    Prometheus
    203
    144

    Prometheus

    Charlize Theron, Michael Fassbender

    Released2012

    Directed byRidley Scott

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  • 21
    District 9
    147
    96

    District 9

    Sharlto Copley, Jed Brophy

    Released2009

    Directed byNeill Blomkamp

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  • 22
    Fire in the Sky
    85
    41

    Fire in the Sky

    James Garner, Robert Patrick

    Released1993

    Directed byRon Lieberman

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  • 23
    The Blob
    100
    55

    The Blob

    Erika Eleniak, Shawnee Smith

    Released1988

    Directed byChuck Russell

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  • 24
    The Crazies
    78
    40

    The Crazies

    Danielle Panabaker, Timothy Olyphant

    Released2010

    Directed byBreck Eisner

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  • 25
    Annihilation
    138
    97

    Annihilation

    Natalie Portman, Jennifer Jason Leigh

    Released2018

    Directed byAlex Garland

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