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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: Seattle Monorail

Ride between some of Seattle’s premier tourism sites in space-age style.

Fantastic Fiction: Fantastic Four Premieres and the Marvel Age Kicks Off

With Seattle Worldcon 2025 coming up and Marvel films still in fashion, let’s look back on the premiere of one of the most important comics ever published. Fantastic Four #1 was released to newsstands just weeks before Seattle’s last Worldcon in 1961. This comic heralded Marvel’s emergence as the most popular line of comics in the world.

Local Flavor: Ivar’s Clam Chowder

Ivar’s Acres of Clams has been a local waterfront institution in downtown Seattle since 1938. The regionally famous clam chowder is also available in local grocery stores. As they say at Ivar’s—Keep Clam.

Fantastic Fiction: Village of the Damned

Visitors to Seattle’s first Worldcon, in 1961, would have been voting in one of six Hugo Award categories for the best dramatic presentation of 1960. With Halloween on the way, why not get in the mood with one of the year’s strong contenders: Village of the Damned, an adaptation of John Wyndham’s chilling novel The Midwich Cuckoos. The movie brings the story to cinematic life through believable performances and clever special effects.

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