66th World Science Fiction Convention

Denvention 3, the 66th World Science Fiction Convention
GenreScience fiction
Dates6–10 August 2008
VenueColorado Convention Center
Location(s)Denver, Colorado
CountryUnited States
Attendance3,751
Filing statusnon-profit
Websitefanac.org/Denvention3

The 66th World Science Fiction Convention (Worldcon), also known as Denvention 3, was held on 6–10 August 2008 at the Colorado Convention Center and the Sheraton Denver Downtown Hotel in Denver, Colorado, United States.

The organizing committee was chaired by Kent Bloom.