Windsor Theatre is the former name of the 48th Street Theatre in New York.
Windsor Theatre may also refer to:
- Windsor Theatre, Brighton, a cinema in Adelaide, South Australia
- Windsor Theatre, Hilton, an historic cinema in Adelaide, South Australia
- Windsor Theatre, Hindmarsh, an historic cinema in Adelaide, South Australia
- Windsor Theatre, Lockleys, an historic cinema in Adelaide, South Australia
- Windsor Theatre, St Morris, an historic cinema in Adelaide, South Australia