Ingrid Mattson (born August 24, 1963) is a Muslim religious leader, a professor of Islamic Studies and an interfaith activist. She is the London and Windsor Community Chair in Islamic Studies at Huron University College at the University of Western Ontario in London, Ontario, Canada. Mattson is a former president of the Islamic Society of North America (ISNA) and was described as "Perhaps the most noticed figure among American Muslim women" in a 2010 New York Times article.