Aldersey is a surname. Notable people with the surname include: Laurence Aldersey (fl. 1581–1586), English explorer Mary Ann Aldersey (1797–1868), English Christian missionary Olympia Aldersey (born 1992), Australian rower Thomas Aldersey (1521/2–1598), English merchant and philanthropist See also Hugh Aldersey-Williams (born 1959), English writer and journalist