Ireland
Dublin University Science Fiction Society (DUSFS), Octocon: The National Irish Science Fiction Conven, Phoenix Convention (P-Con), University College Dublin Science Fiction Society
Sweden
Fantastika 2001, Fantastika 2003, RanCon, Sigma Terra Corps, Swecon 2003, The Alvar Appeltofft Memorial Foundation, Upsala Science fiction-sällskap
United Kingdom
Area 42, Concourse, ConteXXt - Unicon 2002 - The UK Student Science Fi, FSFSOC - Aberystwyth Fantasy and Science Fiction S, Galactic Gathering Cult TV Sci-fi Convention, Genesis Sci-F Club, LOTNA: The League of the Non-Aligned, Nexus SF Conventions, Orion's Page, Outlanders
United States
Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, Florida, Georgia
ConNotation
Science Fiction Conventions and Events Worldwide, specialising in the UK, Europe, Canada and Australasia. Lists conventions, events, clubs, and regular fandom meetings.
European Science Fiction Society
Organisation of SF professionals and fans promoting Science Fiction in Europe and European Science Fiction worldwide. Holds a convention (Eurocon) at least every two years, and administrates the European SF Awards. Includes links to national groups.
Hobby Star Marketing
Company runs comic, SF, and anime conventions in Montreal, Toronto, and Boston. Information on upcoming conventions and pictures from past conventions. Located in Toronto.
North American Science Fiction Convention (NASFiC)
An infrequently held North American convention whenever the Worldcon is held outside of North America.
TAFF (Trans-Atlantic Fan Fund)
Organization to encourage communication between North American and Europe by supplying funds for fans from one continent to visit conventions in the other. Site includes history, ballots, trip reports, and links to other funds.
Westercon
An annual convention held in North America west of the Rocky Mountains. Links to web sites of previous and upcoming conventions, bids, history, and bylaws.
Wilf's International Convention List
The list includes future and past SF related conventions and SF club lists. Danish, Dutch, French, German, Norwegian and Swedish info is translated into English. Travel advice is sometimes included.