Juliana Osborne, Duchess of Leeds

The Duchess of Leeds
Born
Juliana Hele
Spouses
(m. 1725; died 1731)
(m. 1732; died 1785)
ChildrenCaroline Curzon, Baroness Scarsdale
Lady Juliana Dawkins
David Colyear, Viscount Milsington
William Colyear, 3rd Earl of Portmore
Parent(s)Roger Hele
Juliana Prestwood

Juliana Colyear, Countess of Portmore (née Hele, formerly Juliana Osborne, Duchess of Leeds) (c. 1706 – 20 November 1794) was an English noblewoman. She was the third wife of Peregrine Osborne, 3rd Duke of Leeds, and later the wife of Charles Colyear, 2nd Earl of Portmore, and mother of the 3rd Earl.