Turku Science Fiction Society
Template:RefimproveTurku Science Fiction Society (Template:Langx),<ref>Turun Science Fiction Seura website (in Finnish)</ref> or TSFS, is the oldest science fiction society in Finland. It was founded in 1976. The society publishes its own semiprozine, called Spin, also the oldest in Finland. It maintains a club room at the University of Turku with several related societies.<ref>Pasi Karppanen, The Finnish Fandom - All You Need to Know About It Template:Webarchive, a translation of an article from Kosmoskynä ("Cosmos Pen") magazine, no. 2, 2006</ref>
the TSFS has been the main organiser of Finncon three times, in 1999,<ref name=fc1999>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> 2003<ref name=fcxorganizers>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> and 2011.<ref name=fcac2011contact>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> The 2003 event was also Eurocon and Baltcon.<ref name=fcxinfo>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>
Since 1983, the TSFS awards the annual Atorox Award for the best Finnish science fiction short story.