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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

Around Seattle: Mt. Rainier

Visit one of the most famous icons of the beautiful Pacific Northwest and get away from it all.

Fantastic Fiction: A Signpost Up Ahead

On October 2, 1959, television entered the science fiction age with the debut of The Twilight Zone. From Jordan Peele’s revival to SF anthology shows like Black Mirror and Love, Death, and Robots, Rod Serling’s creation still leaves a heavy footprint. What keys to the imagination unlocked the door to the fifth dimension? Read on!

Local Flavor: Nanaimo Bars

First documented in the early 1950s, the Nanaimo Bar (named after Nanaimo, British Columbia, on Vancouver island) is a three-layer, no-bake dessert. Best dessert—or best dessert EVER?

Newsletter November 2024: Gentlefolk, start your sewing machines!

Announcing our custom fabric patterns; our hotel blocks are open and filling fast; we will not be awarding Retro Hugo Awards; fan table, dealers’ room, and art show applications will open soon; the academic track is soliciting proposals; find us at GeekGirlCon and GeekCraft Expo; and we’re looking for more volunteers!

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