Sharman Douglas (October 5, 1928 – February 3, 1996) was an American socialite known for her friendship with the British royal family, in particular Princess Margaret. She was the only daughter of chemicals heiress and philanthropist Peggy Zinsser (d. 1992) and politician Lewis W. Douglas (d. 1974), the latter of whom served as an Arizonan congressman, director of the Bureau of the Budget from 1933 until 1934, and U.S. ambassador to the Court of St. James's from 1947 until 1950. It was during these three years in England that she developed her friendship with Princess Margaret and the royal family.