Stella Ambler (born September 29, 1966) is a Canadian politician who served as the Member of Parliament for the federal electoral district of Mississauga South from 2011 to 2015.

Ambler's parents are Italian immigrants who met and married in Canada, settling in Etobicoke then moving to Brampton.

She worked as a political advisor to the Ontario government but left this position to stay at home and raise her children for nine years.

In 2012, she voted in favour of a private member's bill sponsored by Stephen Woodworth that sought to review the definition of conception under the criminal code.

On November 27, 2020, it was reported that she launched her campaign to become the next candidate for the Progressive Conservative Party of Ontario to represent the riding of Simcoe—Grey.