| Unit Name: | No. 9 Service Flying Training School RCAF |
| Branch: | Royal Canadian Air Force |
| Role: | Service Flying Training |
| Command Structure: | No. 3 Training Command RCAF |
| Garrison: | RCAF Station Centralia |
No. 9 Service Flying Training School (SFTS), Royal Canadian Air Force, was a flight training school, located at RCAF Station Summerside, PEI, and later, RCAF Station Centralia, Ontario. It was part of No. 3 Training Command RCAF, carrying out British Commonwealth Air Training Plan (BCATP) training operations.
Other schools which were the responsibility of No. 3 Training Command included Air Observer (AOS), Bombing and Gunnery (BGS), General Reconnaissance (ocean patrol) (GRS), Naval Aerial Gunnery (NAGS), Air Navigation (ANS) and Operational (OTU) training.