Penelope Mackie () is a philosopher and associate professor and reader in the department of philosophy at the University of Nottingham, and was the head of department from 2007 until 2010 Mackie has also held positions at the University of Birmingham (1994–2004), as lecturer; a fixed-term fellowship at New College, Oxford, (1990–1994); assistant professor of philosophy at Virginia Commonwealth University (1987–1990); a visiting lecturer at the University of Maryland (1986–1987); and, has lectured at various Oxford colleges. Research interests are from a variety of topics including metaphysics and the philosophy of causation. Prof. Mackie is the daughter of philosopher J. L. Mackie.