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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July 30, 2025
Working together to ensure Ontarians receive easier access to safe, competent and connected care
CDO supports access to the profession and increased labour mobility in the dietetics profession.
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July 22, 2025
Registration regulation changes mark a new era in the evolution of the dietetics profession
There are now two pathways to becoming a Registered Dietitian, as some legacy options are no longer available.
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July 21, 2025
Renewal season is fast approaching
CDO’s Board of Directors has approved the operating budget for the 2025-26 fiscal year and a one per cent increase...
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.
