Worldcon, or more formally the World Science Fiction Convention, the annual convention of the World Science Fiction Society (WSFS), is a science fiction convention. It has been held each year since 1939. The members of each Worldcon are the members of WSFS, and vote both to select the site of the Worldcon two years later, and to select the winners of the annual Hugo Awards, which are presented at each convention.
WisCon or Wiscon, a Wisconsin science fiction convention, is the oldest, and often called the world's leading, feminist science fiction convention and conference. It was first held in Madison, Wisconsin in February 1977, after a group of fans attending the 1976 34th World Science Fiction Convention in Kansas City was inspired to organize a convention like WorldCon but with feminism as the dominant theme. The convention is held annually in May, during the four-day weekend of Memorial Day. Sponsored by the Society for the Furtherance and Study of Fantasy and Science Fiction, or (SF)³, WisCon gathers together fans, writers, editors, publishers, scholars, and artists to discuss science fiction and fantasy, with emphasis on issues of feminism, gender, race, and class.
Dragon Con is a North American multigenre convention, founded in 1987, which takes place annually over the Labor Day weekend in Atlanta, Georgia. As of 2017, the convention draws attendance of over 80,000, features hundreds of guests, encompasses five hotels in the Peachtree Center neighborhood of downtown Atlanta near Centennial Olympic Park, and runs thousands of hours of programming for fans of science fiction, fantasy, comic books, and other elements of fan culture. It is owned and operated by a private for-profit corporation, with the help of a 1,500-member volunteer staff. Dragon Con has hosted the 1990 Origins Game Fair and the 1995 North American Science Fiction Convention (NASFiC).
BayCon is the San Francisco Bay Area's longest-running fan-run science fiction and fantasy convention. It was held over Memorial Day weekend in the San Francisco Bay Area, California but moved to July 4th, Independence Day. BayCon draws many attendees from throughout California and also as far away as Oregon, Washington, and Arizona. The most recent BayCon was held from Saturday, July 1, through Tuesday, July 4, 2023, in Santa Clara, California. The next BayCon is scheduled for July 4-7, 2024.
Anime Boston is an annual three-day anime fan convention held in the spring in Boston, Massachusetts, United States. Anime Boston was created and is run by the New England Anime Society, Inc., a Massachusetts-based non-profit organization.
Anime North (AN) is a not-for-profit, fan-run anime convention, held every year in Toronto, Ontario, Canada. Its major attractions, activities and events include industry guests, fan-run panel presentations, workshops, video presentations, gaming tournaments, musical performances, dances and cosplay. The show has two shopping areas, an "Artists Alley" for artworks and crafts and a general "Vendors Hall".
The 64th World Science Fiction Convention (Worldcon), also known as L.A.con IV, was held on 23–27 August 2006 at the Anaheim Convention Center and the nearby Hilton and Marriott hotels in Anaheim, California, United States.
Hypericon is a speculative fiction convention held yearly in June in Nashville, Tennessee. Hypericon is presented by Frontiers Nashville, a non-profit organization dedicated to the support of the fannish community and their myriad of interests, and partnered with Make Nashville, a local maker space and producer of the Nashville Mini Maker Faire. The event also supports the Nashville Public Library Foundation as a featured charity in 2017.
ArmadilloCon is a science fiction convention held annually in Austin, Texas, USA, since 1979. As the second longest running science fiction convention in Texas, it is sponsored by the Fandom Association of Central Texas and is known for its emphasis on literary science fiction. ArmadilloCon was traditionally held in mid-October during the weekend of the Texas-OU football game, but moved to a late-summer/early-fall weekend in 1998.
The 66th World Science Fiction Convention (Worldcon), also known as Denvention 3, was held on 6–10 August 2008 at the Colorado Convention Center and the Sheraton Denver Downtown Hotel in Denver, Colorado, United States.
Otakuthon is Canada's largest anime convention promoting Japanese animation (anime), Japanese graphic novels (manga), related gaming and Japanese pop-culture. It is held annually for 3 days in downtown Montreal during a weekend in August. It is a non-profit, fan-run anime convention that was initiated by Concordia University's anime club, named Otaku Anime of Concordia University. The name "Otakuthon" is a portmanteau of the Japanese word "otaku" and "marathon". Otakuthon strives to be a bilingual event, having programming, the masquerade and the program book in both official languages. The first edition of Otakuthon was held in 2006 in mid-June, but later moved to early-mid August / late July from 2007 onward. The most recent edition, Otakuthon 2023, was held on August 11–13, 2023 at the Palais des congrès de Montréal. As of 2023, Otakuthon surpassed Toronto's Anime North to become Canada's largest Anime convention.
Bubonicon is an annual multigenre convention in Albuquerque, New Mexico, typically held during the last weekend of August. It is the largest general-interest science fiction convention in New Mexico and among the oldest in the Southwest.
ConQuesT is the annual science fiction and fantasy convention held in the Kansas City, Missouri area over the U. S. Memorial Day weekend. It is sponsored by the long-running Kansas City Science Fiction and Fantasy Society. ConQuesT is the oldest such fan convention of its type in Missouri and in the U. S. central states region, first established using the name Mid-America Con in June 1972. After that, the next nine KaCSFFS-sponsored conventions were named BYOB-Cons In 1980 KaCSFFS adopted the permanent name ConQuesT for the convention.
ReConStruction was the tenth occasional North American Science Fiction Convention. It was held in Raleigh, North Carolina, on August 5–8, 2010, at the Raleigh Convention Center, Marriott City Center, and the Downtown Raleigh Sheraton. This NASFiC was held because Melbourne, Australia, was selected as the location for the 2010 Worldcon.
JordanCon is a North American convention held annually in Atlanta, Georgia, that celebrates Robert Jordan's fantasy book series The Wheel of Time, as well as other science fiction and fantasy works. The convention is a 501c4 tax exempt charitable organization founded in honor of the late Robert Jordan.
Steamcon was one of the largest steampunk conventions/symposia in the United States. Located in the Seattle area of Washington state, Steamcon held its first symposium in 2009.
RavenCon is an annual American science fiction convention founded in 2006 and held in Richmond, Virginia. The name "RavenCon" was chosen as a tribute to author Edgar Allan Poe, who lived in Richmond for a time. The convention runs over 300 hours of programming and activities featuring authors and panelists across genres, including horror, sci-fi, fantasy, military fiction, and other areas of fan cultures.
MOBICON is an annual fan convention held in Mobile, AL. Named for an earlier convention known formally as the Mobile Comic Art and Science Fiction Festival, MOBICON was re-founded in 1998 and its membership has steadily grown since its inception. MOBICON is a multigenre convention with a broad focus on many aspects of popular culture, fandom including science fiction, fantasy, gaming, movies, anime, horror, art, and comics.
A comic book convention or comic con is a fan convention with a primary focus on comic books and comic book culture, in which comic book fans gather to meet creators, experts, and each other. Commonly, comic conventions are multi-day events hosted at convention centers, hotels, or college campuses. They feature a wide variety of activities and panels, with a larger number of attendees participating in cosplay than most other types of fan conventions. Comic book conventions are also used as a vehicle for industry, in which publishers, distributors, and retailers represent their comic-related releases. Comic book conventions may be considered derivatives of science-fiction conventions, which began in the late 1930s.
DoubleTree by Hilton Hotel Portland is a hotel in Portland, Oregon's Lloyd District, in the United States. The hotel opened as the Sheraton-Portland Hotel in 1959, and in 1980 became the Red Lion Inn/Lloyd Center.
Spokane, Washington 
United States 
