Iona University is a private Roman Catholic university with a main campus in New Rochelle, New York. It was founded in 1940 by the Congregation of Christian Brothers and occupies a campus of 45 acres (0.18 km2) in New Rochelle and a campus of 28 acres (0.11 km2) in Bronxville, New York.

The Congregation of Christian Brothers is a worldwide religious community within the Catholic Church, founded by Edmund Rice.