Lieutenant General William Wynyard (20 June 1759 – 11 July 1819) was a British Army officer who served as General Officer Commanding Northern District.

[1] He was severely wounded at the Battle of Brandywine in September 1777 during the American Revolutionary War.

[1] He was made General Officer Commanding Northern District in 1814.

He had married Jane Gladwin, lady-in-waiting to Queen Charlotte, and had 4 children.

His son Edward Buckley Wynyard became a full general in the British Army[3] and his son Robert Henry Wynyard became a Major-General and Governor of New Ulster, an early province of New Zealand.