Protecting the Public
The College of Dietitians of Ontario regulates dietitians for public protection
Register of Dietitians
Verify the status of a dietitian by searching the Register of Dietitians.
It has important information about a dietitian’s registration, such as business contacts, restrictions on a practice or disciplinary history, and more.
Find a Dietitian
Registration
Learn MorePractice Advisory
Learn MoreQuality Assurance
Learn MoreComplaints & Discipline
Learn MoreDiscover what’s new
Read All News
January 7, 2026
CDO joins Health Professions Discipline Tribunal
Partnership marks a significant step toward strengthening independence and transparency in discipline hearings.
Read More
January 5, 2026
Job Posting: Practice Advisor & Policy Analyst
Apply today to be part of the professional practice team at the College of Dietitians of Ontario!
Read More
December 23, 2025
Shaping the future of dietetics: Teresa Taillefer on her role as a CDO Board director
Interested in shaping the future of dietetics? Serving on CDO's Board is more than a governance role. It’s an opportunity.
Read MorePractice Advisory Service
Anyone can call for information and advice
The College’s Practice Advisory Service provides professional practice guidance to RDs and others — the public, other health professionals, employers, and students. We accept questions from anyone needing more information about dietitian services.
Learn MoreEquity, Diversity, Inclusion & Belonging
The College of Dietitians of Ontario is committed to informed Equity, Diversity, Inclusion and Belonging (EDI-B) action that leads to sustainable and meaningful change in carrying out our public protection mandate.
The College is taking action. We invite you to visit this page regularly for news and updates on EDI-B initiatives upon which the College is currently working.
Learn MoreThe College is taking action. We invite you to visit this page regularly for news and updates on EDI-B initiatives upon which the College is currently working.
