Seattle Worldcon 2025 logo

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!

Newsletter Sign-Up

Name(Required)
Email(Required)

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: Walla Walla Sweet Onions

Developed and grown in Eastern Washington, the Walla Walla Sweet onion is exceptionally sweet, very large, and the Washington state vegetable.

Fantastic Fiction: French SF in Translation in F&SF (1961)

The early years of the 1960s brought a number of French science fiction stories into English, thanks in a big way to the Magazine of Fantasy and Science Fiction. This kicked off decades of French science fiction in English, including several Pierre Boulle novels (like Planet of the Apes), that in turn inspired major films, introducing American readers to a more expansive view of SF.

Around Seattle: Klondike Gold Rush National Historical Park

A National Park Service museum introducing visitors to Seattle’s involvement in the Klondike Gold Rush, when it was an important stop for prospectors outfitting themselves for the gold fields.

Fantastic Fiction: The Amazing and Fantastic Cele Goldsmith

By the 1950s, Amazing Stories and its sister magazine Fantastic were deep in the doldrums. But all that changed when a young Vassar graduate named Cele Goldsmith found herself at the helm of both magazines and turned their fortunes around. In only seven years, she discovered many new writers who went on to great careers, helped to revive the all-but dead Sword and Sorcery genre, and won a Hugo, too.

More blog posts...