United States

AnonyCon
Gaming convention in Stamford, CT that features roleplaying games and a variety of other gaming.
http://www.anonycon.com/

ARCHON
Science fiction and fantasy theme. Includes miniatures, modeling, video games, an art show, and masquerade. Located in Illinois, United States.
http://www.archonstl.org/

BCon
Role-playing and board game convention held on the campus of Bradley University in Peoria, IL late in February.
http://www.geocities.com/Area51/Capsule/2367/con.html

BPA World Boardgaming Championships
The World Boardgaming Championships, held annually in Hunt Valley, MD and sponsored by the Boardgame Players Association. The convention runs 100 boardgame tournaments.
http://www.boardgamers.org/

Carnage on the Mountain
An annual gaming convention the first weekend in November at the Ascutney Mountain Resort in Brownsville, Vt. Features RPGs, Historical and Fantasy Miniatures, CCGs, Board Gaming, LARPs, and Networked Computer Gaming.
http://www.carnagecon.com/

Castle LARP
Annual World of Darkness LARP event held in Oregon, Illinois.
http://castle_larp.tripod.com/

Cod Con
Held in Glen Ellyn, Illinois, in April. Events include Magic:TG, Advanced Dungeons and Dragons, L5R, Live Action Vampire, and Battletech.
http://members.tripod.com/Codscifi/Codcon.htm

CodCon
Held in the spring at the College of DuPage in Glen Ellyn,Illinois. Features RPGs and CCGs (including tournament events), anime, guest speakers, and game demos.
http://www.codcon.com/

Cogcon
Each September, in Rolla, Missouri. Roleplaying, CCGs, wargames, computer games.
http://www.rollanet.org/~cogcon/

Con of the North
Non-profit, all volunteer games convention held annually in St. Paul, Minnesota. Roleplaying, war, board, miniatures, collectable card, and computer games.
http://www.conofthenorth.com/

ConGames
Offers roleplaying games, collectible card games, miniatures games, board games, dealers room free to the public, charity raffle benefiting wildlife rescue, and a guest of honor. July. Tampa Bay, FL.
http://www.stonehill.org/vid_con.htm

Con*Stellation
An annual science fiction convention held in Huntsville, AL which is sponsored by the North Alabama Science Fiction Association. It features a full line of events from gaming to panel discussions.
http://www.con-stellation.org

DarkCon
RPGA gaming, LARP, miniatures.
http://members.tripod.com/darkcon/

Die Con
Game convention located in the St. Louis, Missouri area. Its purpose is to promote adventure gaming in the Midwest. Features RPGA, RPG, miniature, board and collectable card games.
http://www.diecon.com/

Dragon*Con
The world's largest fantasy/SF convention, held annually in Atlanta, GA, on Labor Day weekend.
http://www.dragoncon.org

Dragonflight
Annual convention held in August in Bellevue, Washington, featuring board games, miniatures, roleplaying, RPGA, CCGs, computer games, and an auction.
http://www.dragonflight.org/

DunDraCon
A February convention in San Ramon, California. Featuring board games, miniatures, card games, LARP, roleplaying, and SCA.
http://www.dundracon.com/

Duracon
RPGA gaming convention. A weekend of roleplaying games in Durham, North Carolina.
http://www.angelfire.com/rpg/duracon/

EconoCon
Plymouth, NH. Sponsored by the PSC Gaming Club, this convention is geared toward being affordable.
http://www.warhorn.net/econocon/

FlatCon
Annual gaming convention located in Bloomington, Illinois. A variety of roleplaying, miniature, board, and card games and tournaments are represented. Vendor range from Anime, gaming, fantasy gifts, and comics.
http://www.flatcon.com/

Florida Con-Quest
Regular conventions held in various Florida locations. Live action games, CCGs, miniatures, PlayStation, Nintendo.
http://www.angelfire.com/fl/FloridaConQuest/

FreeCon 2001
Three-day roleplaying convention in the Lansing, Michigan area.
http://freecon.tripod.com/

Game Days
Held in April at the Days Hotel in Timonium, Maryland. Offers information, events, and history.
http://gamesday.gamesclubofmd.org/

Gamicon
Annual game fair held in Iowa City, Iowa. Offers roleplaying, CCGs, board and strategy games, miniatures events, and live-action roleplaying games (LARPs), as well as special guests, an auction, and free pop all weekend (That's soda, for those not from the mid-west).
http://www.mindbridge.org/gamicon/

Global Gaming Expo
A trade show hosted by the gaming industry, for the gaming industry.
http://www.globalgamingexpo.com/

Great River Gaming Guild
Presents a yearly convention called QuinCon in Quincy, IL, as well as a series of Mini-Cons throughout the year.
http://www.angelfire.com/il/QuincyGuild/

HexaCon
July, in Scottsdale, Arizona. Includes roleplaying, board gaming, miniatures, live-action roleplaying, dealers room, miniatures painting contest, used-game auction, sanctioned Magic collector card game tournaments. Past special events have included 'Bot Bash, where the participants pit their robotic creations against each other.
http://www.casfs.org/hexacon/

HMGS South Information
Historical miniature gaming society with links to the RECON and HURRICON conventions. Also includes agallery of previous conventions.
http://hmgs-south.com/

I-Con
Annual host of a variety of sponsored tournaments, demos and open games of all varieties. Offers news, events, downloads, and schedules.
http://www.mecca-anime.com/I-Con/i-con.html

InConJunction
Science fiction/fantasy convention with a strong gaming track. Includes events such as roleplaying, miniatures, and collectible card gaming, tournaments with prizes, RPGA events. Indianapolis, IN. July.
http://www.inconjunction.org

JohnCon
All-gaming convention run for 48 straight hours on the campus of the Johns Hopkins University in Baltimore, Maryland. RPGs, board games, CCGs, and more mundane games.
http://www.jhu.edu/~johncon/

KublaCon
Held in Burlingame, CA. Offers information, events, and news.
http://www.kublacon.com/

MACE
Held in North Carolina. Featuring LARPs, roleplay, board, card and miniature games. Events by Hollow Hills, Game Society, and RPGA.
http://www.justusproductions.com/

The Madison Wordplayers
Meets monthly at Borders Book Shop for word game fun in Madison, Wisconsin.
http://fun2play.com/wordplayers/

Marmalade Dog
Held each year by the Western Michigan Gamers Guild (WMGG) on the campus of Western Michigan University in Kalamazoo, Michigan. Features role-playing games, collectible card games, board games, special events and guests.
http://www.marmaladedog.org/

Midsouthcon
Science fiction, fantasy, science, horror, and gaming convention held in Memphis, TN, in late March.
http://www.midsouthcon.org/

Millennium
Held every November in Austin, Texas. Offers miniatures, role playing, board games, and card playing events. Special guests and tournaments are also featured.
http://www.millenniumcon.com/

Minnesota Gamers' Convention
Held the weekend before Thanksgiving in the St. Paul Minnesota area. Miniatures, board games, card games (CCGS) are the focus.
http://www.mgcon.org/

MOBICON
Annual fantasy and gaming convention in Mobile, AL. Features roleplaying, board, miniature, computer, and collectible card games, live action roleplaying, and anime rooms.
http://www.mobicon.org/

Nuke-Con
Supported by a not-for-profit group that promotes the positive educational, creative, and social benefits of gaming, through the yearly convention and monthly events and located in Omaha, Nebraska.
http://www.nuke-con.com/

Octocon
A slower-paced 'relaxacon', held in Cincinnati in October. Run by the Cincinnati Fantasy Group.
http://www.cfg.org/octocon/

The Once and Future Con
Fredericksburg. Magic: the Gathering, roleplaying, Diplomacy, board games.
http://www.geocities.com/Area51/Vault/5478/main.html

OshCon
Annual convention for players of table top role-playing games, card games, and miniatures games.
http://www.oshcon.org/

PentaCon
The largest and oldest gaming convention in the state of Indiana. It includes roleplaying games, miniatures games, board games, live action games, and some networked computer games. In addition, there is a large dealers area, special guest personalities, seminars, demonstrations by the Society for Creative Anachronism (SCA), a charity raffle, a charity Jail-N-Bail, and a flea market.
http://www.bright.net/~tomb/pentacon.html

Phoenix Con Games
Four Day annual convention in Phoenix, Arizona featuring RPGs, LARPS, Board Games, Miniature Games and a Children's Area. Offers information, registration and events.
http://www.conevents.com/page/phx/main.asp

PolyCon
Held at Cal Poly San Luis Obispo, California. Includes history, newsletter, and events.
http://www.polycon.org/

PortConMaine.Com
An anime/gaming convention for Portland, Maine. A yearly convention.
http://www.portconmaine.com

Prezcon
Held in February, in Charlottesville, Virginia. Board games, miniatures and CCGs.
http://www.prezcon.com/

SAGA Con
Miniatures gaming in San Antonio, Texas, in May. Also roleplaying, LARP, and card games.
http://sagacon.8m.com/

ShaunCon
Roleplaying, miniatures, card, and LARP games presented by the Role-Players Guild of Kansas City, Ltd, in November.
http://www.kcguild.com/Con/

Total Confusion Conventions
Three Northeast gaming conventions: Total Confusion (Andover, MA), MassConfusion (Worcester, MA), ConMan (Merrimack, NH). Includes roleplaying games, RPGA events, Vampire, LARPS, miniature, board and card games, painting contest, art shows.
http://www.totalcon.com/

U•Con Gaming Convention
Held in Ann Arbor, MI, in November. Roleplaying games, CCGs, board games, miniatures, train games, LARP, dealers' room, auction, and specialty gaming tracks.
http://www.ucon-gaming.org

Wild Gazebo Productions
Organizers of two conventions in Edison, New Jersey; Lollagazebo (November) and A Gazebo of Games (April). Offers board games, CCGs, exhibitors, LARPs, RPGs, minis, RPGA, and an assortment of special events.
http://www.wildgazebo.com/

Winter Fantasy
January, in Fort Wayne, IN. Roleplaying, RGPA Summit (seminars/discussions). Managed by Wizards of the Coast and featuring many of WotC's games.
http://www.wizards.com/default.asp?x=rpga/conventions/wf2004