29th World Science Fiction Convention
| Noreascon I, the 29th World Science Fiction Convention | |
|---|---|
| Genre | Science fiction |
| Dates | 2–6 September 1971 |
| Venue | Sheraton-Boston Hotel |
| Location(s) | Boston, Massachusetts |
| Country | United States |
| Attendance | ~1,600 |
| Filing status | non-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.