Sir Henry Mildmay, 6th Baronet

Major Sir Henry Paulet St John-Mildmay, 6th Baronet (28 April 1853 – 24 April 1916) was an English baronet and cricketer. Mildmay was a right-handed batsman.

He was the son of Sir Henry St John-Mildmay, 5th Baronet by his wife Hon Helena Shaw Lefevre, and succeeded his father as baronet in 1902.

St John-Mildmay made his first-class debut for Hampshire against Sussex at the County Ground, Hove in 1881. St John-Mildmay played seven first-class matches for Hampshire between 1881 and 1884, with his final first-class match for the county coming in 1884 against Kent. In St John-Mildmay's seven first-class matches he scored 157 runs at a batting average of 11.41 and made a high score of 26. With the ball St John-Mildmay took a single wicket at the cost of 51 runs.

In addition to being a cricketer, St John-Mildmay served in Grenadier Guards, where he held the rank of Major. St John-Mildmay later became the 6th Baronet St. John. St John-Mildmay died at Dogmersfield, Hampshire on 24 April 1916.