Penelope Wallace (30 May 1923 – 13 January 1997, Oxford) was an English crime writer and the daughter of Edgar Wallace.
Educated at Rodean, she founded the Edgar Wallace Society in 1969 and remained its President until her death. She was very active within The Society of Woman Journalists, and became its Chair in 1982. In the 1980, she became Chair of the London Press Club, which had only begun to admit women in 1972 and was also chair of Chair of the Crime Writers' Association (1980), after long term membership.
She wrote five novels; four of them were only published in Germany. She wrote A Clutch of Bastards (Tallis, 1988, ISBN 0284988251).