Joan Canning, 1st Viscountess Canning
Joan Canning, 1st Viscountess Canning was the wife of British prime minister George Canning.
She was born in Scotland, the daughter of Major-General John Scott and Margaret Dundas. Her sisters were Henrietta Bentinck, Duchess of Portland and Lucy, wife of Francis Stuart, 10th Earl of Moray.
On 8 July 1800, she married George Canning in St George's, Hanover Square on Hanover Square, London, with John Hookham Frere and William Pitt the Younger as witnesses. They had four children:
- George Charles Canning, died from consumption
- William Pitt Canning, died from drowning in Madeira, Portugal
- Harriet Canning, married Ulick John de Burgh, 1st Marquess of Clanricarde
- Charles Canning