The Foundry Theatre is a theatre and live entertainment venue, part of The Star complex in Sydney, Australia.

The 360-seat (or 630 standing) venue was formed through a repurposing of the Sydney Lyric's under-utilised rear dock. It opened in February 2025 with a limited season of performances by Tim Minchin, with his week-long run titled First at the Foundry. It is owned by Foundation Theatres, which also owns the