SFeraKon is a science fiction convention that takes place in Zagreb, Croatia every year at the end of April.

Organized by SFera, it is the largest and the longest running science fiction convention in southeastern Europe.

In 1986 SFeraKon hosted a Eurocon, the European Science fiction convention, with Sam Lundwall as a guest of honour.

[4] SFeraKon hosted its second Eurocon in Zagreb in 2012 and two conventions went under the name Kontakt, with more than 300 international members and four guests of honour: Tim Powers, Charles Stross, Dmitry Glukhovsky and Cheryl Morgan.

SFeraKon's many famous guests of honor have included Joe Haldeman, Robert Silverberg (1999), Walter Jon Williams (2001),[5] Lois McMaster Bujold (2002), George R. R. Martin (2003), Ken MacLeod (2004),[6] Michael Swanwick (2006), Bruce Sterling (2007), Richard Morgan (2008),[7] R. Scott Bakker (2009),[8] Ian McDonald (2010), Milena Benini (2010), Dave Lally (2011), Goran Skrobonja (2011), Oto Oltvanji (2011), Darko Tuševljaković (2011), Charles Stross (2012), Tim Powers (2012), Cheryl Morgan (2012), Dmitry Glukhovsky (2012), Danielle Trussoni (2013), Esad Ribić (2013), Chris Beckett (2014), Kate Elliott (2015),[9] James Lovegrove (2017),[10] and Adrian Tchaikovsky (2018).