Sir Frederick Tilney (died 1445) Lord of Ashwellthorpe, Norfolk, and Boston, Lincolnshire, England, was the husband of Elizabeth Cheney, Lady Say and father of Elizabeth Tilney, Countess of Surrey.
On 30 April 1472 Howard married Elizabeth Tilney, the daughter of Sir Frederick Tilney of Ashwellthorpe, Norfolk, and widow of Sir Humphrey Bourchier, slain at Barnet, son and heir apparent of Sir John Bourchier, 1st Baron Berners.