| Conspiracy '87, the 45th World Science Fiction Convention | |
|---|---|
| Genre | Science fiction |
| Dates | 27 August–1 September 1987 |
| Venue | Metropole Hotel and The Brighton Centre |
| Location(s) | Brighton |
| Country | United Kingdom |
| Attendance | 4,009 |
| Filing status | non-profit |
The 45th World Science Fiction Convention (Worldcon), also known as Conspiracy '87, was held on 27 August–1 September 1987 at the Metropole Hotel and The Brighton Centre in Brighton, United Kingdom.
The initial chairman was Malcolm Edwards, who had to scale back his involvement several months before the con, and was succeeded by Paul Oldroyd with the title of "coordinator", later recognised as chairman.