O.1. Oakville
O.2. Oriole
O.3. Oshawa District
O.4. Ottawa
O.5. Owasco
O.6. Owen Sound
O.7. Opeongo District
O.8. Orillia
O.9. Odawa
O.10. Old Mill

P.1. Peel Central
P.2. Perth
P.3. Peterborough
P.4. Port Colborne District
P.5. Port Hope District
P.6. Presqu'ile District
P.7. Prince Edward County
P.8. Porcupine District
P.9. Petawawa District
P.10. Peel
P.11. Pic River
P.12. Port Arthur District
P.13. Point Division Essex District
P.14. Pine Ridge District
P.15. Park Vale

Q.1. Quinte Region

R.1. Riverdale
R.2. Rideau Lakes
R.3. Rolling Wheels Windsor
R.4. Riverside
R.5. Red Lake District
R.6. Royal York
R.7. Rideau
R.8. Richmond
R.9. Richmond Hill

S.1. Sarnia
S.2. Saugeen District
S.3. Sault Ste Marie
S.4. Scarborough South
S.5. Scarboro West
S.6. Sherwood
S.7. South Frontenac District
S.8. South Lake Simcoe
S.9. South Peel
S.10. South Waterloo
S.11. St. Catharines & District
S.12. St. Clair
S.13. St. Lawrence District
S.14. Stratford
S.15. Sudbury
S.16. Split Rock District
S.17. Silvermount
S.18. Sydenham District
S.19. Spanish River
S.20. Seaton
S.21. Stoney Creek Division
S.22. Spirit Village
S.23. South Shore Div. Essex District
S.24. Saugeen District East
S.25. Saugeen West
S.26. South Georgian Bay District
S.27. Seneca Division
S.28. Stormont Glengarry
S.29. Seton
S.30. Skyline
S.31. Sunnybrook
S.32. St. Lawrence Region
S.33. Shining Waters Region