Sir Kenneth Whistler Street, (28 January 1890 – 15 February 1972) was the tenth Chief Justice of the Supreme Court of New South Wales and Lieutenant-Governor of New South Wales.
These vice-regal roles were held by his father Sir Philip Whistler Street before him and his son Commander Sir Laurence Whistler Street after him.
His wife was the notorious suffragette and human rights activist, Lady "Red Jessie" Street.
A descendant of the English Baron of the Exchequer and Chief Justice Sir Thomas Street, he was the third generation of the Street family to engage in Australian politics, the first being John Street, successor of Sir Edmund Barton, Australia's first Prime Minister, in the New South Wales Legislative Assembly seat of East Sydney.