Everard Stanley Jackson (12 January 1914 – 20 September 1975) was a New Zealand rugby union player.
A prop, Jackson represented East Coast, Hawke's Bay and Wellington at a provincial level, and was a member of the New Zealand national side, the All Blacks, from 1936 to 1938.
Horowai was the daughter of Everard Hannon Henderson, a British man, and his wife Kamaea Ngatoko of Ngāti Porou.
During World War II, Jackson served as an officer in the 28th (Māori) Battalion, and lost a leg as a result of wounds received in an artillery barrage.
This biographical article relating to New Zealand rugby union, about a person born in the 1910s, is a stub.