The St. Mary's Catholic Church in Purcell, Kansas is a historic Roman Catholic church which was built in 1896. The church is listed on the National Register of Historic Places.
It is a red brick Late Gothic Revival-style church with a central tower having a bell and a steeple; the steeple rises to .
It is located at the intersection of Highways 20 and 137, on the path of the original Pony Express trail from St. Joseph, Missouri to Sacramento, California.