- Old Church Theatre – Trenton
- Old Walkerville Theatre – Windsor
- On The Docks Pub – Huntsville
- ONYX – Guelph
- Options Lounge – Ottawa
- Orbit Room – Toronto
- Orillia Opera House – Orillia
- Oscar's Roadhouse – Brampton
- Overflow Brewing – Ottawa
- Paddy Flaherty's – Sarnia
- Pattie House – Coboconk
- Pepperwood – Burlington
- Pera Bar & Bistro – Ottawa
- Performing Arts Lakefield – Lakefield
- Peter's Players - notice – Gravenhurst
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