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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

The text Fantastic Fiction against a retrofuturistic design of a rounded triangle shape with a gold swirl pattern.

Fantastic Fiction: Perry Rhodan

January 10, 2025

One of the most interesting phenomena to emerge from the German-language speculative fiction universe is the internationally popular Perry Rhodan space opera series. Created in 1961 by Walter Ernsting and Karl-Herbert Scheer, this ongoing saga of a spaceman continues into the present day, in much the same manner as Doctor Who in the Anglophone world.

The text Local Flavor against a retrofuturistic design of a rounded triangle shape with an orangey swirl pattern.

Local Flavor: Dick’s Drive-In

January 8, 2025

In Seattle, ‘Eat a bag of Dick’s‘ isn’t an insult—it’s a helpful suggestion for how to end a fun night of bar hopping, or make it to your next appointment when you don’t really have time to stop for lunch.

The text Fantastic Fiction against a retrofuturistic design of a rounded triangle shape with a gold swirl pattern.

Fantastic Fiction: Nathalie Henneberg’s Forays into the Strange

January 3, 2025

The Russian-born French author Nathalie Henneberg collaborated with her husband Charles for years on works of fantasy and science fiction, but after his death in 1959, Nathalie continued to write and make a name for herself. Her 1960 story, “The Blind Pilot,” included in David G. Hartwell’s wide-ranging anthology The World Treasury of Science Fiction, is a prime example of the author’s extraordinary prose.

The text Around Seattle against a retrofuturistic design of a rounded triangle shape with an orangey swirl pattern.

Around Seattle: Ada’s Technical Books

January 1, 2025

Seattle’s geekiest bookstore is so much more than a place to buy books.

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