New York - Significance region: Local
| Monarch Knitting Company Factory |
| Monfort Cemetery |
| Monroe Motor Car Company Building and the Main Garage Company Building |
| Montauk Manor |
| Montcalm Park Historic District |
| Montgomery Street-Columbus Circle Historic District |
| Montgomery Water Works Building |
| Montgomery Worsted Mills |
| Montour Falls Union Grammar School |
| Montrest |
| Monument Circle Historic District |
| Mooers Riverside Cemetery |
| Mooney, Edward, House |
| Moore, Benjamin C., Mill |
| Moore House |
| Moore House |
| Moore-Howland Estate |
| Moore, J. W., House |
| Moore-McMillen House |
| Moore Road Stone Arch Bridge |
| Moore, Silas B., Gristmill |
| Moravia Union Cemetery |
| Morehouse, Jeremiah, House |
| Morgan Cobblestone Farmhouse |
| Morgan Cottage |
| Morgan Hook and Ladder Company |
| Morgan-Manning House |
| Morganville Pottery Factory Site |
| Moriah Town Office Building |
| Morris High School Historic District |
| Morris, Lewis G., House |
| Morris-Lull Farm |
| Morrison, Roderick M., House |
| Morris Park Senior Citizens Home |
| Morris Park Station |
| Morristown Schoolhouse |
| Morris Village Historic District |
| Morrisville Engine House |
| Morrisville Public Library |
| Morschauser, Charles, House |
| Morse Cobblestone Farmhouse |
| Morse Farm |
| Morss Homestead/Federal City Homestead |
| Morton Memorial Library |
| Morton Memorial Library |
| Moser Farm |
| Moses, Ogilvie, Farmhouse |
| Moses, Zebulon, Farm Complex |
| Mosher Farmstead |
| Moslem Mosque |
| Moss, Horace O., House |
| Moss Street Cemetery |
| Mott Haven Historic District |
| Mott Mill |
| Mottville Cemetery |
| Mould, Moses, House |
| Mount Adnah Cemetery |
| Mountain Athletic Club Grounds |
| Mountainside Free Library |
| Mountainville Grange Hall |
| Mount Beacon Incline Railway and Power House |
| Mount. Hope-Highland Historic District |
| Mount Hope Reservoir |
| Mount Kisco Municipal Complex |
| Mount Moor African-American Cemetery |
| Mount Moriah Presbyterian Church |
| Mount Morris Bank |
| Mount Pleasant |
| Mount Saviour Monastery |
| Mount St. Mary's Hospital |
| Mt. Beacon Fire Observation Tower |
| Mt. Zion Methodist Church |
| Mudge Farmhouse |
| Mud House |
| Muitzes Kill Historic District |
| Muldor-Miller House |
| Mulhern House |
| Muller, Cornelius S., House |
| Mull House and Cemetery |
| Mulrien House |
| Municipal Building |
| Municipal Building |
| Municipal Ferry Pier |
| Munson Diner |
| Munson-Williams-Proctor Arts Institute |
| Murphy Grist Mill |
| Murray Hill |
| Murray Hill Historic District |
| Murray Street Historic District |
| Music Hall |
| Musselman Cottage |
| M/V COMMANDER |
| Mycenae Schoolhouse |
| Mynderse-Frederick House |
| Myrtle, Henry C. House |
| Naples Memorial Town Hall |
| Naples South Main Street Historic District |
| Naples Viniculture Historic District |
| Narrowsburg Methodist Church |
| Nash, Rev. J. Edward, Sr., House |
Data from United States Park Service and Wikidata
