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
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Read All News
February 10, 2026
2026 Board Election: Voting begins March 16!
Board directors serve an important role by influencing CDO’s strategic direction. Every vote matters.
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February 1, 2026
Board Election: CDO is now accepting applications
Applications will be accepted until February 14th for registrants to run for election to the Board on April 15, 2026.
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January 7, 2026
CDO joins Health Professions Discipline Tribunal
Partnership marks a significant step toward strengthening independence and transparency in discipline hearings.
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.
