August 3-6, 2012
Mythcon
Berkley, CA
The Mythopoeic Society Convention
Theme: Across the Continents: Myths and legends from Europe and Asia meet and mingle

August 3-5, 2012
Diversicon
St Paul, MN
Literary science fiction and filk
Guests of Honor: Tananarive Due, Steven Barnes

August 16-19, 2012
Gen Con
Indianapolis, IN
Gaming Convention

August 3-5, 2012
Mars Society Convention
Pasadena, CA
The latest research from Mars
Guests include many noted scientists

August 16-18, 2012
Dum Dum
Dayton, IA
Edgar Rice Burroughs convention

August 9-10, 2012
Pulpfest
Columbus, OH
Pulp Magazines
Guest of honor: Mike Resnick

August 10-12, 2012
When Words Collide
Calgary, Alberta
Convention for readers and writers

August 9-10, 2012
The Official Star Trek Convention
Las Vegas, NV
Official Star Trek convention

August 10-12, 2012
Spocon
Spokane, WA
Science fiction and fantasy
Guest of Honor: Peter S. Beagle

August 16-20, 2012
Return of the Ring
Loughborough, Leicestershire, UK
Convention celebrating Tolkein

August 9-11, 2012
Wadfest
Nottinghamshire, England
Convention devoted to Terry Pratchett's Discworld series

August 17-19, 2012
Pi-Con
Enfield, CT
Science Fiction
Author Guest of Honor: Julie Czerneda

August 27-29, 2012
ArmadilloCon
Austin, TX
Science Fiction
Author Guest of Honor: Anne Bishop

August 24-26, 2012
Bubonicon
Albuquerque, NM
New Mexico Science Fiction Convention
Guest of Honor: Brian Sanderson

August 30- September 3, 2012
Chicon
2012 World Science Fiction Convention
Author guest of honor: Mike Resnick