The instructors say they plan to file a federal lawsuit in Alexandria on Tuesday claiming the plan infringes on their free speech rights.
They say entrepreneurs would have to ask the government's permission before they open their mouths or face fines and jail time. And they say complying is costly and time consuming.
The State Council of Higher Education for Virginia wants to certify yoga teacher training as it does the teaching of dog groomers, dancing instructors and bartenders. It says certification will make sure students get their money's worth.
Several other states have attempted to regulate yoga instructor programs this year.
The Associated Press