The Church of Our Lady of Mount Carmel is a historic Roman Catholic parish church building located in Poughkeepsie, Dutchess County, New York.

The Old Church of St. Peter is a Roman Catholic church established under the authority of the Roman Catholic Archdiocese of New York in Poughkeepsie, Dutchess County, New York in 1837. It is the second oldest Catholic Church on the Hudson and is considered the Mother Church of the Hudson Valley because from it all the parishes in Ulster and Dutchess counties were founded. The church is also referred to as Our Lady of Mount Carmel since 1965 when St. Peter's parish relocated to Hyde Park, New York and the parish of Our Lady of Mount Carmel church relocated to site.