Abbey Chapel is used for worship services, lectures, and concerts, and contains a main chapel seating 900 and the Abbey Interfaith Sanctuary. A remodeling of the Chapel in 1938 resulted in the merging of the original 1897 chapel and a new structure. The Chapel houses a Skinner organ and a Fisk Tracker organ.
Formerly a small Christian prayer chapel and converted by students, staff, and faculty in 1999, Abbey Interfaith Sanctuary holds sacred objects and texts from the different faith groups represented on campus. Each week, Abbey Interfaith Sanctuary is filled with the words, songs, and shared silence of the Sunday Ecumenical Worship Service, the Baha'i community gathering, the Buddhist Mindfulness Meditation, Rosary Prayer, the Hindu service, and many informal visits by individuals and groups in search of a peaceful moment away from the busyness of everyday life. Attached to Mary Lyon Hall, the building was built in 1897. In 1937, the chapel was renovated and enlarged with a donation from Emily Abbey Gill. As a result, it was renamed Abbey Chapel.