| Immaculate Heart of Mary Catholic Church | |
| Coordinates: | 37.785°N -99.6411°W |
| Built: | c. 1911–13 |
| Architect: | Preuss & Aimes, Co. |
| Architecture: | Late 19th and 20th Century Revivals, Gothic Romanesque Revival |
| Added: | January 5, 1989 |
| Area: | less than one acre |
| Refnum: | 88003087 |
Immaculate Heart of Mary Catholic Church is a historic church in Windthorst, Kansas, which is located in a rural area between the communities of Bellefont and Bucklin, approximately 6 miles south of Bellefont or 15 miles north of Bucklin. The church was built during c. 1911–13 and added to the National Register of Historic Places in 1989. It is NaNfeet in plan and has a center steeple which rises about 125feet.[1]