Winsloe is a surname. Notable people with the surname include:
Alfred Winsloe (1852–1931), Royal Navy officer Christa Winsloe (1888–1944), formerly Baroness Christa Hatvany de Hatvan, German-Hungarian novelist, playwright Courtney Winsloe (born 1987), New Zealand cricketer
See also Winsloe, Prince Edward Island Winslow (surname)