Clubs

Peoria High School Science Fiction Club
Periannath
Permanent Floating Riot Club
Perth Science Fiction Group
PESFA
PFc
PFRC
Phanadelphia Corporation
Phandemonium
Phantasy Legion
Philadelphia Fantasy Society
Phoenix Science Fiction Club
Phoenix Science Fiction Society
Pi-Con.Org Corporation
Pieria
PIGS
PKDS
Polaris
Polytechnic Science Fiction and Fantasy Association
Poplar Bluff Science Fiction Club
PorSFiS
Portland Science-Fantasy Society
Portland Science Fiction Society
Portland Society of Strangers
Potomac River Science Fiction Society
Prestigious International Gourmand Society
Princeton Science Fiction Society
PRiSciFicS
Prissy-Fish
Professor Challenger Society
Progressive Fantasy Fan Federation
Project Fan Club
Proudneck
Providence H. P. Lovecraft Friends' Group
PRSFS
Prtsfs
Prydonians of Princeton
PSFA
PSFS
PSIFA
Psi Phi
PSSFS
Puddleby-on-the-Marsh Irregulars
Pueblo Science Fiction and Fantasy Association
Pulphouse Gang
QSFL
QUBSCIFI
Queensland Doctor Who Fan Club
Queensland Star Trekkers Fan Club
Quest
QUFANJ
Quixotic Upstart Fannish Aristocrats of N. J.
RAILS
Rangers of the North
Ratfandom
Ravenquoth Inc
Raymond
Reading Science Fiction Group
Red Shift
Red Shift Readers and Writers Collective of New Haven
Red Squadron
Reethe Tower Circle
Renaissance Science Fiction League
Rensselaer Science Fiction Association
Research Triangle SF Society
RFF
Rhode Island Science Fiction Alliance
Rhode Island Science Fiction Association
RHUL Tolkien Society
Rhun Branch
Richmond Science Fiction Society
Riddermark of the Shire
RISFA
RISFA Players
RISFC
Rivendell
Rivendell Group
Rochester Area Imaginative Literature Society
Rochester Fantasy Fans
Rochester Speculative Literature Association
Rocky Mountain Fan Federation
Roke
Romenna
Rose City Science Circle
RSFA
RSFG
R-SPEC
RTSFS
Sacramento Area Super Science and Fantasy Reading and Study Society
Sacramento Fandom
Sacramento Science Fiction Society
Sacramento SF and Fantasy Society
Sacramento SF Association
SADO
SAFFA
SAGA
Salem State College Science Fiction & Fantasy Association
Sammath Naur
Sampo
San Antonio Science Fiction Association
San Diego Science Fiction Conventions
San Diego SF & Fantasy Society
San Diego Speculative Fiction Society
San Francisco Lounge Lizards
San Francisco Science Fiction Conventions Inc
San Jose Science Fiction and Fantasy Society
San Jose SF&F Society
SanSFiS
SanSFiS, Inc.
SASFA
SASSAFRASS
SBOF
SCA
Scandinavian SF Society
SCAT
SCC
Science and Fantasy Fiction Association
The Scienceers
Science Fantasy Society
Science Fantasy Writers of America
Science Fiction Advancement Association
Science Fiction and Fantasy Association of New Zealand, Inc.
Science Fiction and Fantasy Club at Virginia Tech
Science Fiction and Fantasy Forum
Science Fiction and Fantasy Society
Science Fiction and Fantasy Society of Beloit
Science Fiction and Fantasy Society of Upper Canada
Science Fiction and Fantasy Workshop
Science Fiction Association
Science Fiction Association of Colorado Springs
Science Fiction Association of Long Beach
Science Fiction Association of Victoria
Science Fiction Circle
Science Fiction Cirklen
Science Fiction Club of London
Science Fictioneers
Science Fiction Fan Club of Ankara, Turkey
Science Fiction Fangroup's Association of Nippon
Science Fiction & Fantasy Club of Wayne State College
Science Fiction Fantasy Federation
Science Fiction & Fantasy Society
Science Fiction & Fantasy South Africa
Science Fiction Foundation
Science Fiction Group
Science Fiction League
Science Fiction League of Iowa Students
Science Fiction London
Science Fiction Model Builders' Association
Science Fiction Pen Pal
Science Fiction Poets' Guild
Science Fiction Research Association
Science Fiction Society of New Hampshire
Science Fiction Society of Northern New Jersey
Science Fiction South Africa
Science Fiction Writers of America
Scientifiction Association for Boys
Scifan
Sciffy
SCIFI
Sci-Fi
Sci Fi-Club
Sci-Fi Soc
Sci-Fi Zone
Scotland Magnet Science Fiction Club
SCUM
SDSFC
Seattle Worldcon Organizing Committee
Second Fandom
Second Foundation
(Second) Futurian Society of New York
Semi-Pro Writers and Artists Organization
SF3
SFA
SFAA
S F A B C
SFACS
SFAN
SF Appreciation Club
SFC
SFCC
SFCD
SFCL
SFCoL
SFera
SFF
SFFan
SFFANZ
SFFSA
SFG
SF Group
SFL
SFLIS
SFMBA
SFOHA
SFS
SFSA
SFSF
SFSFC
SFSFS
SFSNNJ
SFW
SFWA
SFWPA
Shada
Shape Science Fiction Society
Sheffield University Science Fiction and Astronomical Society
Sheffield University Union SF&F Association
Shiny Garden
Shire Society
Shortfastalkinghyperfandom
SHSFG
Silver Spring Science Fiction Society
Simon Fraser University Science Fiction Society
SI/ASFA
SIU Science Fiction Society
Six Of One
Slan Slum
SLI
Smith College Science Fiction Club
Smith Science Fiction and Fantasy Society
SMOFF
SMOFofS
SMOOF
SMOFofS
SNAFFU
Society for Creative Anachronism
Society for Elvish Studies
Society for Prevention of Bug Eyed Monsters on the Covers of Science Fiction Publications
Society for Promotion of Fannish Interests Inc
Society for the Prevention of Wire Staples in Science Fiction Magazines
Solarians
Solaroid Club
Solaroids
Solihull SF Group
Some Sort of Medieval Elvish Society I Think
Sons of Earth
Sons of the Sand
Sorcerers, Rumrunners, and Paraihs Ltd.
Southampton University Science Fiction Society
South Australian Doctor Who Fan Club
South East Louisiana Fandom Association
Southeast Michigan Organization of Fans
Southern Arizona SF Association
Southern California Association for Imaginative Fiction
Southern California Institute For Fannish Interests
Southern Circle
Southern Cross Futurian Association
Southern Fandom Confederation
Southern Fandom Group
Southern Michigan Organization of Fans