r/sciencefiction
This reddit is for fans and creators of Science Fiction and related media in any form. SF topics should involve plausible ideas reached…
How to think about r/sciencefiction
The community is dedicated to fans and creators of science fiction, encompassing a wide range of media including literature, film, and television. It emphasizes plausible scientific concepts and speculative ideas, encouraging discussions that explore the intersection of science and fiction. Members often share their own creative works, theories, and analyses, making it a vibrant hub for both casual fans and serious creators alike.
Confidence 4/5
Audience
Participants in this community typically range from young adults to seasoned fans of science fiction, with a strong interest in both speculative ideas and scientific principles. The vibe is generally enthusiastic and intellectual, with members eager to engage in thoughtful discussions about various aspects of science fiction, including its cultural impact and future possibilities. They value creativity, originality, and informed discourse.
Posting culture
Content that thrives includes in-depth analyses, creative writing, and discussions about science fiction themes, tropes, and media. Posts that are well-researched and contribute to the community's knowledge base are favored, while low-effort memes or promotional content often receive downvotes. The community encourages regular engagement, with a mix of original content and discussions about popular science fiction works.
Brand engagement notes
Brands should approach this community with caution, as overt promotional efforts are often met with skepticism or hostility. Authentic engagement through sharing valuable insights, participating in discussions, or sponsoring creative writing prompts can resonate well. Brands that align with the community's interests, such as science fiction literature or media, should focus on fostering genuine connections rather than direct advertising. Thoughtful contributions that enhance the community's discourse are more likely to be welcomed.
Top keywords
What r/sciencefiction talks about
Weighted by how often each term appears in posts and comments, relative to baseline frequency. The largest words are the strongest signals of community focus.
External signals
Where the community looks
Top external domains linked from posts and comments — a quick read on the sources of truth this audience trusts.
Top contributors
Who shapes the conversation
The most active and most-upvoted posters and commenters in this community. Useful when planning outreach or studying a community's tastemakers.
Top posters
By post count
- u/DevLloyd
- u/StarFuryG7
- u/MissNightTerrors
- u/AppletiniOnFleek
- u/Stay-Stark
- u/[deleted]
- u/LaserGadgets
- u/dombittner
- u/KodyCQ
- u/danpietsch
- u/InitiativeIndieDev
- u/okvl_artist
- u/Cmho1y
- u/MartechiFalkberg
- u/MartianAndroidMiner
- u/MiddleAgedGeek
- u/noPatienceandnoTime
- u/nimloth
- u/has_some_chill
- u/Guilhem-Bedos
- u/Anon_Ymou5
- u/2001vegeta
- u/ScienceBackground451
- u/Vidarshnu
- u/adrenalineshots2022
- u/MrRuebezahl
- u/brent_323
- u/TheWorldofOor
- u/TyMeditation
- u/SalvoIn3D
- u/tslashj
- u/Daniel4125
- u/GroundbreakingNote35
- u/alxledante
- u/TraxDarkstorm
- u/Where_serpents_walk
- u/nlitherl
- u/JamesrSteinhaus
- u/KristianTsvetanov
- u/REDKOV
- u/Mynameis__--__
- u/ARandomTopHat
- u/sahinduezguen
- u/futureselfbeats
- u/SciFiCrafts
- u/YanniRotten
- u/Catilus
- u/CFharret
- u/ArthurDrakoni
- u/Jhaasinterviews
- u/webdeveloper5050
- u/Agile_Tension_2551
- u/Cultural_Memory000
- u/6ss6s1n_of_whiters
- u/KevinSaneArtStudios
- u/Rollyman1
- u/timetoscience
- u/fidelnch
- u/RelativeMediocre3120
- u/StarMakerVisual
- u/bronze_dolphin
- u/StarmanCarcoba
- u/technasis
- u/jacky986
- u/sharmakiran96
- u/jes732
- u/babareto1
- u/JungleOpera
- u/BendDue3162
- u/KB_Sez
- u/Arsenico_As33
- u/Appropriate_Order797
- u/2ndHandBookclan
- u/TSF98
- u/Eningwireart
- u/davster39
- u/Amir_Foo
- u/Carbon_Based_Copy
- u/DonLee_ohhh
- u/ravacholl
- u/Dark_Orbits
- u/Jabba_Waffle
- u/XMenChangedMyLife
- u/AdamGorham
- u/KarlJohanson
- u/AndreiV101
- u/CliffTheAlien
- u/helloworld_141
- u/comrender
- u/IPcreator
- u/AtomicJellyTeam
- u/Maxcactus
- u/houselegs
- u/glenkamo
- u/globeworldmap
- u/cmdc_dtc
- u/natureintheory
- u/tghuverd
- u/Broad-Assist8908
- u/NikitaTarsov
By votes
- u/MissNightTerrors
- u/DevLloyd
- u/danpietsch
- u/StarFuryG7
- u/[deleted]
- u/Stay-Stark
- u/LaserGadgets
- u/dombittner
- u/okvl_artist
- u/InitiativeIndieDev
- u/Cmho1y
- u/JamesrSteinhaus
- u/MartianAndroidMiner
- u/2001vegeta
- u/AppletiniOnFleek
- u/SalvoIn3D
- u/Anon_Ymou5
- u/TyMeditation
- u/tslashj
- u/MartechiFalkberg
- u/MiddleAgedGeek
- u/Arsenico_As33
- u/Guilhem-Bedos
- u/Daniel4125
- u/Appropriate_Order797
- u/Many_Complex4224
- u/KB_Sez
- u/Vidarshnu
- u/imflukeskywalker
- u/Eningwireart
- u/noPatienceandnoTime
- u/KristianTsvetanov
- u/2ndHandBookclan
- u/ScienceBackground451
- u/Downelius
- u/MrRuebezahl
- u/TheLandoSystem59
- u/KodyCQ
- u/KevinSaneArtStudios
- u/ARandomTopHat
- u/MFHRaptor
- u/has_some_chill
- u/TSF98
- u/Mynameis__--__
- u/SciFiCrafts
- u/Delmorath
- u/DonLee_ohhh
- u/nimloth
- u/theclumsyandshy
- u/REDKOV
- u/Amir_Foo
- u/AndreiV101
- u/dbittnerillustration
- u/GregoryGromit
- u/sahinduezguen
- u/DariaLoveborn
- u/Genesis-Echo
- u/Galactic-Buzz
- u/Dantocks
- u/KarlJohanson
- u/AnAnimeCrepe
- u/comrender
- u/dsqv
- u/brent_323
- u/devinclarkcomedy
- u/Mukesh_Sankhla
- u/davster39
- u/swisscheese73
- u/XMenChangedMyLife
- u/AdamGorham
- u/Jabba_Waffle
- u/SolopsistNation
- u/DavideMe2
- u/TheWorldofOor
- u/Carbon_Based_Copy
- u/Megafritz
- u/houselegs
- u/ZealousidealClub4119
- u/OXY23
- u/steveblackimages
- u/futureselfbeats
- u/Dark_Orbits
- u/ravacholl
- u/IPcreator
- u/PersephoneSC
- u/adrenalineshots2022
- u/cmdc_dtc
- u/ImaginativeHobbyist
- u/MonsterDNA
- u/Good_Show_9
- u/geordie3rd
- u/Rollyman1
- u/AccordingSoup
- u/GroundbreakingNote35
- u/Catilus
- u/andriigrey
- u/PSHoffman
- u/helloworld_141
- u/vastlordes
- u/Thinkingard
Top commenters
By comment count
- u/[deleted]
- u/Bobby837
- u/LaserGadgets
- u/p-d-ball
- u/PinocchioWasFramed
- u/Archelon_ischyros
- u/ArgentStonecutter
- u/shaodyn
- u/MiddleAgedGeek
- u/matrixislife
- u/Prince_Nadir
- u/Ch3t
- u/BuccaneerRex
- u/martylindleyart
- u/maxwanker69
- u/StarFuryG7
- u/Thomisawesome
- u/Appropriate_Order797
- u/chrisslooter
- u/kaukajarvi
- u/TheIsh619
- u/Oz_of_Three
- u/another_bug
- u/Picard37
- u/danpietsch
- u/BlueIdoru
- u/MaethrilliansFate
- u/rwhitisissle
- u/romdango
- u/ghostcatzero
- u/nagidon
- u/Kubrick_Fan
- u/HamshanksCPS
- u/zigaliciousone
- u/BulljiveBots
- u/everydayasl
- u/treecutter34
- u/RobbieEngland
- u/KobayashiMaru_
- u/my-coffee-needs-me
- u/diMario
- u/raresaturn
- u/kai_ekael
- u/PermaDerpFace
- u/your_long-lost_dog
- u/bobtheturd
- u/forrestpen
- u/TheLazyPurpleWizard
- u/GrimnarAx
- u/LarsJ04
- u/ExuDeku
- u/WordyMcWordington
- u/StringfellowHawkes
- u/reddog323
- u/Oznog99
- u/Set_the_Mighty
- u/RisingRapture
- u/GregoryGromit
- u/razzraziel
- u/ernSOFTLtd
- u/Emperor_Cartagia
- u/Dougal_Wayne_8
- u/X-weApon-X
- u/mobyhead1
- u/Wiidiwi
- u/zippy251
- u/tagjohnson
- u/BitchspotBlog
- u/ReturnOfSeq
- u/Andee87yaboi
- u/Deer-in-Motion
- u/natronamus
- u/awful_at_internet
- u/oeuflaboeuf
- u/pauldeanbumgarner
- u/NikitaTarsov
- u/r4wbon3
- u/jessek
- u/A_of
- u/alvinofdiaspar
- u/the_bartolonomicron
- u/spacyzuma
- u/Dugglerr
- u/CaptGoodvibesNMS
- u/punninglinguist
- u/DeusEXMachin
- u/I_Will_Not_Argue
- u/business2690
- u/patreek8
- u/77fishy
- u/jsteed
- u/evilsir
- u/lord_of_memezz
- u/bestem
- u/WiseSalamander00
- u/Mob1lis_in_mobil1
- u/sillyjew
- u/DocJawbone
- u/Steerider
- u/Awdayshus
By votes
- u/[deleted]
- u/MaethrilliansFate
- u/ReySpacefighter
- u/Optical_Guru
- u/Kubrick_Fan
- u/mobyhead1
- u/another_bug
- u/tdubya22
- u/shaodyn
- u/danpietsch
- u/HouseCravenRaw
- u/statisticus
- u/intergalactictactoe
- u/Viridian-Divide
- u/matthewgdick
- u/ZobeidZuma
- u/Joejule
- u/Appropriate_Order797
- u/NickDanger3di
- u/glacierre2
- u/martylindleyart
- u/Cole2197
- u/Monster_Claire
- u/the_bartolonomicron
- u/CotyledonTomen
- u/thaeadran
- u/dominiquec
- u/that_planetarium_guy
- u/8bitcollective
- u/Paradox_Dolphin
- u/AwkwardTRexHug
- u/asymon
- u/Trick_Enthusiasm
- u/M3chanist
- u/yeoldevagabond
- u/razzraziel
- u/Hamzabal
- u/Lilatu
- u/Shas_Erra
- u/muratkurt1985
- u/chrisslooter
- u/thesecretlibrarian
- u/bleeperofnoise
- u/everydayasl
- u/BitchspotBlog
- u/Deer-in-Motion
- u/arianeb
- u/forrestpen
- u/EmphasisDependent
- u/bamf1701
- u/bnh1978
- u/CartoonBeardy
- u/BigJobsBigJobs
- u/BuccaneerRex
- u/awful_at_internet
- u/rwhitisissle
- u/StarFuryG7
- u/Yonngablut
- u/dileep_vr
- u/A1Protocol
- u/Organic_Ad_2885
- u/LaserGadgets
- u/the_newdave
- u/ClaudiaWoodstockfan
- u/chickpea459
- u/SCWatson_Art
- u/Brendissimo
- u/Grenuille
- u/Archelon_ischyros
- u/Thombs1
- u/ApocalyptoSoldier
- u/HamshanksCPS
- u/liquidpig
- u/Pashahlis
- u/Oz_of_Three
- u/Aeolus_14_Umbra
- u/Bobby837
- u/Tattorack
- u/glucoseboy
- u/montybank
- u/punninglinguist
- u/CodeTheInternet
- u/Emperor_Cartagia
- u/SolopsistNation
- u/brymc81
- u/theskepticalheretic
- u/Zardozer
- u/ArgentStonecutter
- u/lost_in_life_34
- u/KitFalbo
- u/DeadRobot311
- u/DPVaughan
- u/Pinkgettysburg
- u/I_Will_Not_Argue
- u/matrixislife
- u/oncomingstorm777
- u/AliEbi78
- u/Genesis-Echo
- u/Mukesh_Sankhla
- u/Arkelias
Similar communities
Where this audience also spends time
Topic-adjacent communities surfaced from Reddit's own related subreddit signal.
FAQ
r/sciencefiction — frequently asked questions
Quick facts about this subreddit's size, history, focus, and related communities.
How many subscribers does r/sciencefiction have?
r/sciencefiction has approximately 295,754 subscribers as of May 27, 2026.
When was r/sciencefiction created?
r/sciencefiction was created on February 13, 2010 (16 years ago).
What is r/sciencefiction about?
The community is dedicated to fans and creators of science fiction, encompassing a wide range of media including literature, film, and television. It emphasizes plausible scientific concepts and speculative ideas, encouraging discussions that explore the intersection of science and fiction. Members often share their own creative works, theories, and analyses, making it a vib…
What subreddits are similar to r/sciencefiction?
Communities similar to r/sciencefiction include r/printsf, r/scifi, r/scifiwriting, r/theexpanse, r/startrek.
Who are the most active posters on r/sciencefiction?
The most frequent posters on r/sciencefiction include u/DevLloyd, u/StarFuryG7, u/MissNightTerrors.
Ready to engage on r/sciencefiction?
Authentic engagement, not spam.
RedPulse runs Reddit campaigns the way the platform actually rewards — high-karma accounts, native conversations, and content moderators welcome.
