Sir John St Leger (died 1596), of Annery in Monkleigh, Devon, was an English landowner who served in local and national government.
His paternal grandparents were Sir James St Leger and Lady Anne Butler, heiress of Annery, daughter of Thomas Butler, 7th Earl of Ormond and great-aunt of Queen Anne Boleyn.
One of his great-uncles was Sir Thomas St Leger, the husband of Anne of York, Duchess of Exeter, sister of Kings Edward IV and Richard III.
[3] He married Catherine Nevill, daughter of George Nevill, 5th Baron Bergavenny and his third wife Lady Mary Stafford, youngest daughter of Edward Stafford, 3rd Duke of Buckingham and his wife Lady Eleanor Percy.
On the death of his son John without children, the St Leger family of Annery was extinguished.