Michigan - Criteria: C (architecture/engineering)
| Old Village Historic District |
| Old West Side Historic District |
| Olin, G. W., House |
| Oliver Street Historic District |
| Olive Township District No. 1 School |
| Onaway State Park |
| Ontonagon Harbor Piers Historic District |
| Ontonagon Lighthouse |
| Ontonagon School |
| Opdyke, Sylvester, House |
| Orchard Beach State Park |
| Orchard Lake Schools Historic District |
| Oshtemo Town Hall |
| O'Sullivan, Daniel, House/Halfway House |
| Otsego Hotel |
| Ottawa Beach Historic District |
| Ottawa Street Power Station |
| Our Saviour's Evangelical Lutheran Church |
| Owosso Downtown Historic District |
| Packard Proving Grounds Gateway Complex |
| Paddock, Augustus, House |
| Paddock-Hubbard House |
| Paine Bank |
| Painesdale |
| Palmer, Charles, House |
| Palmer, George W., House |
| Palmer, Lorenzo and Ruth Wells, House |
| Palmer Park Apartment Building Historic District |
| Palmer Park Boulevard Apartments District |
| Palmer, William B. and Mary Shuford, House |
| Palmer Woods Historic District |
| Palms, Francis, Building & State Theater |
| Palms, The |
| Pardee, George, House |
| Pardee, James T., House |
| Parents' and Children's Schoolhouse |
| Park Avenue Historic District |
| Parke-Davis and Company Pharmaceutical Company Plant |
| Parke Lane Road-Thorofare Canal Bridge |
| Parker, Arthur M., House |
| Parker Mill Complex |
| Parker Road-Charlotte River Bridge |
| Parker, Thomas A., House |
| Park Hotel and Cabins |
| Parshallburg Bridge |
| Pasadena Apartments |
| Passage Island Light Station |
| Passolt House |
| Patterson, John, and Eliza Barr, House |
| Paw Paw City Hall |
| Pease Auditorium |
| Peck Block |
| Penfil Apartments |
| Penhaligen, Charles and Mary Kempf, House |
| Penn Central Railway Station |
| Penn Central Station |
| Penniman Castle |
| Pennington, John-Ford, Henry, House |
| Pennington, Sarah, House |
| Peoples National Bank Building |
| Pere Marquette Railroad Depot, Bay City Station |
| Pere Marquette Railway Belding Depot |
| Pere Marquette Railway Locomotive #1223 |
| Pere Marquette Railway Steam Locomotive No. 1225 |
| Perry, Warren, House |
| Peters, Charles, Sr., House |
| Petoskey Downtown Historic District |
| Petoskey Grocery Company Building |
| Petoskey Public Works Utility Building |
| PEWABIC (propeller) Shipwreck Site |
| Pickle Barrel House |
| Piers and Revetments at Grand Haven, Michigan |
| Piety Hill Historic District |
| Pike, Abram W., House |
| Pilgrim and Puritan Apartment Complex |
| Pioneer State Bank No. 36 |
| Piquette Avenue Industrial Historic District |
| Planter Road-Jackson Creek Bridge |
| Players, The |
| Pleasant Ridge East Historic District |
| Poe Reef Light Station |
| Point Betsie Light Station |
| Ponchartrain Apartments |
| Pontchartrain Club-Town House Apartments |
| Pontiac Commercial Historic District |
| Portage Point Inn Complex |
| Port Austin Reef Light |
| Porter Hollow Embankment and Culvert |
| Porter, John J. and Eva Reynier, Estate |
| Portland Downtown Historic District |
| Portland First Congregational Church |
| Port Sanilac Light Station |
| Port Sanilac Masonic and Town Hall |
| Poverty Island Light Station |
| Powers Highway-Battle Creek Bridge |
| Prentice, Alonzo T., House |
| Prentis Building and DeRoy Auditorium Complex |
| President's House, University Of Michigan |
| Presque Isle County Courthouse |
| Presque Isle Harbor Breakwater Light |
Data from United States Park Service and Wikidata
