Notre Dame, Indiana is a post office serving an unincorporated community in St. Joseph County, Indiana adjacent to the City of South Bend. The postal service area includes the University of Notre Dame, Saint Mary's College, and Holy Cross College. It has no municipal government, the only government entities being the post office, the colleges' police force, which every accredited college in Indiana is entitled to by law [1], and a fire department. The ZIP Code for the community is 46556.

The postal service area crosses the unicorporated townships of Clay and Portage.