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Welcome to
Seattle Worldcon 2025!

Building Yesterday’s Future–For Everyone

August 13–17, 2025

Five people dressed in retrofuturistic clothing, of varied apparent races, genders, and ages. One is in a hover chair, and one is using a jetpack.

The 83rd World Science Fiction Convention

Held in downtown Seattle, Washington, August 13–17, 2025. Bringing Worldcon back to Seattle for the first time since 1961!

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Venue

The Seattle Convention Center’s new Summit expansion in the heart of downtown Seattle, surrounded by amazing views of the city, mountains, and water.

Program

Hundreds of hours of panel programming, presentations, workshops, events, table talks, autograph signings, kids programming, and more. Now soliciting panelists!

The Hugo Awards

Science fiction’s most prestigious award, administered and voted on by members of the World Science Fiction Convention—this means you!

Volunteer

A Worldcon is run entirely by unpaid, volunteer staff. You too can join this community of makers, doers, and shapers, for a few hours during the con, or throughout the planning process.

Recent Updates

Czech SFT in F&SF, 1962

One might be surprised to learn that three (!) works of Czech speculative fiction in translation—all by Josef Nesvadba—were published in The Magazine of Fantasy and Science Fiction over the course of 1962.

Statement From Worldcon Chair

I am writing this statement in order to share the status of Seattle Worldcon’s current journey through living up to our theme of Building Yesterday’s Future—For Everyone. We have received a number of concerns asking how the convention will respond to orders and actions of the U.S. government, which we condemn, that create hostile conditions and travel barriers for LGBTQ+ members and international members.

Local Flavor: Geoduck

The geoduck (pronounced “gooey duck”) is the world’s largest burrowing clam, and they’re one of our weird and wonderful native species—as well as the school mascot for The Evergreen State College.

Con-Verse: Speculative Poetry and The Body

Now that we have enough early-stage tools to discuss what makes poetry speculative, it’s a good time to consider something just a little bit more complex: what is the poem confronting that is valuable for us?