11th World Science Fiction Convention

Philcon II, the 11th World Science Fiction Convention
The Bellevue Stratford Hotel
GenreScience fiction
Dates5–7 September 1953
VenueBellevue-Stratford Hotel
Location(s)Philadelphia, Pennsylvania
CountryUnited States
Attendance~750
Filing statusnon-profit

The 11th World Science Fiction Convention (Worldcon), also known as Philcon II, was held on 5–7 September 1953 at the Bellevue-Stratford Hotel in Philadelphia, Pennsylvania, United States. It was the first Worldcon to present the Hugo Awards.

The supporting organization was the Philadelphia Science Fiction Society. The chairman was Milton A. Rothman, replacing the late James A. Williams.