St. Casimir Parish is a Catholic parish in South Bend, Indiana, United States. Founded in 1898. It is one of the Roman Catholic parishes in the Diocese of Fort Wayne-South Bend. It is a central contributing property in the St. Casimir Parish Historic District.Weekend masses are at Saturday 5:00 p.m. (English, 2nd and 4th Saturdays of the month only), Sunday 9:30 a.m. (English) and 11:15 a.m. (Spanish)