The ERDI ERD Supervisor Course (Emergency Response Diver Supervisor) is a professional-level training program offered by Emergency Response Diving International (ERDI), part of the SDI/TDI family of certifications. It is designed for experienced public safety divers who are ready to step into leadership roles within emergency response diving operations.

The primary purpose of the course is to qualify seasoned emergency response divers to effectively supervise ERD teams during real-world operations. It also prepares participants to assist ERDI Instructors during training sessions and serves as a foundation for developing essential leadership qualities, potentially leading to future roles as ERD Instructors.