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Welcome to
Seattle Worldcon 2025!

Building Yesterday’s Future–For Everyone

August 13–17, 2025

Our Guests of Honor

Martha Wells, a white woman with shoulder-length wavy dark blonde hair and waring a dark top, looks at the camera with a slight smile.

Martha Wells

Donato Giancola, a man with short-cut dark hair and goatee, wearing a grey t-shirt and jeans, sitting in the midst of an artist's studio, with finished and in-progress paintings and paint supplies around him.

Donato Giancola

Bridget Landry, a white woman with blonde medium-length hair, looking directly at the camera.

Bridget Landry

Alexander James Adams, a white man with long brown and grey hair in a ponytail, wearing a black sleeveless shirt and cowboy hat, plays a guitar and sings into a microphone.

Alexander James Adams

Our Poet Laureate

Brandon O'Brien, a black man with short hair and goatee, wearing glasses, with a slight sly grin on his face.

Brandon O’Brien

Our Hosts

K Tempest Bradford, a Black woman with curly black hair, wearing glasses, black lipstick, and a red and orange top, smiles at the camera.

K. Tempest Bradford

Nisi Shawl

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

Local Flavor: Seattle Dogs

Popular among the sports fan and late-night bar crowds, the Seattle Dog became commonplace during the grunge scene of the ’90s, sold mostly by street vendors and bars.

Fantastic Fiction: Early Science Fiction Meets Proto-Steampunk: The Time Machine

In many ways, the Yesterday, Today & Tomorrow blog is a time machine, taking us back into the history of the genre and showing how that past is connected to the present and future. In 1960, a movie adaptation of H.G. Wells’ 1895 novel The Time Machine brought the story out of the past and into the present of that decade with aesthetics that looked both back to the Victorian era and forward to the turn of the millennium.

Announcement: Building the Business Meeting’s Future–For Everyone!

Have you ever wondered about or wanted to participate in how the rules that govern the Worldcon, the Hugo Awards, and other aspects of WSFS get made? We are excited to announce that this year we have developed a new process for the business meeting: a series of pre-convention, virtual meetings!

Around Seattle: Museum of Pop Culture

Step into a science fiction and fantasy hall of fame packed with memorabilia from legendary franchises.

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