Olivia Barclay, English astrologer and author (d. 2001)
Olivia Barclay (12 December 1919 in Essex – 1 April 2001 in Kent) was a British astrologer who played an important role in the revival of traditional forms of astrology in the late 20th century. Much of her focus in the latter part of her life was on the work of the 17th-century astrologer William Lilly.