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ONA members at a rally in the middle of a street, waving flags and banners. The largest banner reads 'Fight Local for public health care'

Who we are

We are Canada’s largest nurses’ union. Our members provide care in hospitals, long-term care, public health, clinics, the community and industry. Together, we push for reforms and fight for better workplaces. We don’t settle because a lot is at stake––who we are, where we work and who we work for.

What we do

We are a platform for local action. We fight against unfair and unsafe treatment, policies and government decisions that impact your ability to provide safe and quality care. We negotiate and enforce your contracts, offer benefits and insurance, provide tailored education and development opportunities and more.

Three nurses standing in a hospital hallway, smiling.

In times of universal deceit, telling the truth is a revolutionary act.

George Orwell
Fight Local

What's new

Registered Nurses at Niagara Health’s Welland Long-Term Care Site Call Out Provincial Government Over Closure

WELLAND, ON, February 6, 2026 – Registered nurses (RNs), members of the Ontario Nurses’ Association (ONA), are sounding the alarm about Niagara Health Services (NHS) closing their non-profit long-term care (LTC) home in Welland. The home that has been open for more than 50 years will not be renewing their license to operate this year due to concerns about the building’s safety.

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