September 30 - October 2, 2011
Fantasycon
Brighton, England
Host of the British Fantasy Awards
Guests of honor: Gwyneth Jones, John Ajvide Lindquist, Peter Atkins, Joe Abercrombie
Special guests: Brian Adliss & Christopher Paolini

September 30 - October 2, 2011
Archon
Collinsville, IL
science fiction and fantasy
Guest of Honor: Spider Robinson

September 30 - October 2, 2010
Vancouver, BC, Canada
VCON
Science Fiction, Fantasy and Gaming
Author guest: Larry Niven

October 7-9, 2011
Realmscon
Corpus Christi, TX
Genre media

October 7-9, 2011
Romulus, MI
Conclave
Urban Fantasy, Anime and Gaming
Author Guest of Honor: Seanan McGuire

October 14-15, 2011
Montreal, Quebec, Canada
Con*Cept
Science fiction and fantasy
Author Guests of Honor: Eric Flint, Patrick Senecal

October 14-16, 2011
Gaithersburg, MD
Capclave
Science Fiction convention sponsored by the Washington Science Fiction Association
Author Guest of Honor: Carrie Vaughn, Catherynne Valente

October 14-16, 2011
Steamcon
Seattle, WA
Theme: 20,000 Leagues Under the Sea
Guest of Honor: K.W. Jeter

October 15-16, 2011
Maynooth, County Kildare, Ireland
Octocon
National Irish Science Fiction Convention
Guest of Honor: John Higgins

October 20-23, 2011
Albany, NY
Albacon
Science fiction and fantasy
Writer Guest of Honor: Jackie Kessler

October 21-23, 2011
Denver, CO
MilehiCon
Literary Science Fiction
Author Guests of Honor: Victor Vinge, Glen Cook

October 22, 2011
Bristol, England
Bristol-CON
Science fiction and fantasy
Guests: Juliet E. McKenna, Justina Robson

October 22-24, 2010
Edmonton, AB, Canada
Pure Sepculation
Speculative fiction
Author Guest of Honor: Jo Walton

October 22-24, 2011
Tampa FL
Necronomicon
Science Fiction, Fantasy and Horror fans
Guests of Honor: Ben Bova

October 26- 28, 2011
Context
Columbus, OH
World Fantasy Awards announced
Guests of Honor: John Scalzi, Seanan McGuire

October 27-30, 2011
World Fantasy Convention
San Diego, CA
Guests: Jo FLetcher, Neil Gaiman, Park Godwin, Shawna McCarthy, Ruth Sanderson

October 28-30, 2011
Rossville, GA
HallowCon
Fantasy & Horror