The 83rd Worldcon will be held in Seattle, WA from August 13-17, 2025 in the Seattle Convention Center Summit Building. The site selection voting results were announced October 21 by Chengdu Worldcon Business Meeting chair Donald Eastlake III.

SITE SELECTION RESULTS. There were 168 valid ballots received.  

163 votes for Seattle
2 votes for No Preference
2 votes for Xerpsin 2010
1 vote for Peggy Rae’s

Seattle was the only filed bid.

The convention’s website is here: Seattle Worldcon 2025 – Building Yesterday’s Future–For Everyone

Seattle Worldcon 2025 Progress Report 0 can be downloaded at the link. The convention’s Guests of Honor and Hosts will be:

GUESTS OF HONOR

• Martha Wells
• Donato Giancola
• Bridget Landry
• Alexander James Adams

HOSTS

• K. Tempest Bradford
• Nisi Shawl