79th World Science Fiction Convention
| DisCon III, the 79th World Science Fiction Convention | |
|---|---|
| Genre | Science fiction | 
| Dates | 15–19 December 2021 | 
| Venue | Omni Shoreham Hotel | 
| Location(s) | Washington, D.C. | 
| Country | United States | 
| Previous event | CoNZealand | 
| Next event | Chicon 8 | 
| Organized by | Mary Robinette Kowal, Chair | 
| Website | discon3.org (archived) | 
The 79th World Science Fiction Convention (Worldcon), also known as DisCon III, was held on 15–19 December 2021 in Washington, D.C., United States.