29th World Science Fiction Convention

Noreascon I, the 29th World Science Fiction Convention
GenreScience fiction
Dates2–6 September 1971
VenueSheraton-Boston Hotel
Location(s)Boston, Massachusetts
CountryUnited States
Attendance~1,600
Filing statusnon-profit

The 29th World Science Fiction Convention (Worldcon), also known as Noreascon I, was held on 2–6 September 1971 at the Sheraton-Boston Hotel in Boston, Massachusetts, United States.

The chairman was Tony Lewis.