5th World Science Fiction Convention
| Philcon I, the 5th World Science Fiction Convention | |
|---|---|
| Genre | Science fiction |
| Dates | 30 August–1 September 1947 |
| Venue | Penn-Sheraton Hotel |
| Location(s) | Philadelphia, Pennsylvania |
| Country | United States |
| Attendance | ~200 |
The 5th World Science Fiction Convention (Worldcon), also known as Philcon I, was held on 30 August–1 September 1947 at the Penn-Sheraton Hotel in Philadelphia, Pennsylvania, United States.
The chairman was Milton Rothman.