John Wynyard

John Wynyard (died 20 February 1752) was an officer of the British Army.

On 25 December 1703 he was made captain-lieutenant of Roger Elliott's Regiment of Foot, being also the regimental adjutant. He was a captain by 1709, when he was on recruiting service in England. When the regiment was disbanded in 1713 he was placed on half-pay.

Wynyard served with the 17th Regiment of Foot in the Jacobite rising of 1715, and on 10 July 1718 was promoted to the lieutenant-colonelcy of the regiment. He was promoted to colonel of the newly-raised 4th Regiment of Marines on 20 November 1739, and transferred to the colonelcy of the 17th Foot on 31 August 1732.

John Wynyard was for many years commander-in-chief at Gibraltar and Port Mahon. He was promoted to lieutenant-general in September 1747 and died in 1752. He was buried in Westminster Abbey.