Clementine Churchill, Baroness Spencer-Churchill (1885–1977), was the wife of Winston Churchill.

Lady Churchill may also refer to: Frances FitzRoy, Baroness Churchill, daughter of Augustus FitzRoy, 3rd Duke of Grafton and wife of Francis Spencer, 1st Baron Churchill Jane Spencer, Baroness Churchill (1826–1900), wife of Francis Spencer, 2nd Baron Churchill Lady Randolph Churchill (1854–1921), mother of Winston Churchill