Utah - Role: Building
| New York Hotel |
| Nielsen, Jens, House |
| Nielsen-Sanderson House |
| Nielson, Hans Peter, Gristmill |
| Nielson, Jens, House |
| Nielson, John R., Cabin |
| Notre Dame de Lourdes Catholic Church |
| Nowers, Wilson G., House |
| Oakley, Ami and Amanda, House |
| Oakwood |
| Oberg-Metcalf House |
| Odd Fellows Hall |
| Ogden Fire Station No. 2 |
| Ogden High School |
| Ogden Union Station |
| Ogden Union Stockyard Exchange Building |
| Ogden/Weber Municipal Building |
| Olcott, Frances A., House |
| Oldham, John and Elizabeth Brown, House |
| Old Main and Science Buildings |
| Old Main, Utah State University |
| Old Washington County Courthouse |
| Oljato Trading Post |
| Olmsted Station Powerhouse |
| Olpin, Joseph, House |
| Olsen, Hans Peter, House |
| Olsen House and Mortuary |
| Olsen, Lars and Christina, House |
| Olson, Erick Lehi and Ingrid Larsen, House |
| O'Mahony Dining Car No. 1107 |
| Ophir Town Hall |
| Oquirrh School |
| Oregon Short Line Depot |
| Oregon Shortline Railroad Company Building |
| Orem, Frank M., House |
| Orpheum Theatre |
| Orton-Malstrom House |
| Orwin, Jessie, House |
| Ostler, John Thomas and Myrtle Bodell, House |
| Ottesen, Hans, House |
| Ottinger Hall |
| Owens Jr., William T. and Mary Isabell R., House |
| Pacific Northwest Pipeline Building |
| Packard, Milan and Margaret, House |
| Page, Daniel R. and Sophia G., House |
| Palace Apartments |
| Panguitch Carnegie Library |
| Panguith Social Hall |
| Paradise Tithing Office |
| Park City Community Church |
| Park City High School |
| Park City High School Mechanical Arts Building |
| Park City Miner's Hospital |
| Parker and Weeter Block |
| Parker, Joseph William, Farm |
| Park Hotel |
| Parmley, Mary Ellen, House |
| Parowan Meetinghouse |
| Parrish, Lowell and Emily, House |
| Parry Lodge |
| Parson, Dr. John, Cabin Complex |
| Partridge, Edward and Elizabeth, House |
| Patten, John, House |
| Patton, Augustus B., House |
| Payson Presbyterian Church |
| Pearsall, Clifford R., House |
| Pectol-Works House |
| Peery Apartments |
| Peery Hotel |
| Peery's Egyptian Theatre |
| People's Co-op Building |
| Peteetneet School |
| Peter Pan Apartments |
| Peterson-Burr House |
| Peterson, Canute, House |
| Peterson, Charles, House |
| Piccardy Apartments |
| Pierson, Peter and Ingrid C. Larson, House |
| Pine Valley Chapel and Tithing Office |
| Piute County Courthouse |
| Platts, John, House |
| Pleasant Grove School |
| Pleasant Grove Tithing Office |
| Pleasant Grove Town Hall |
| Plymouth School |
| Pond, Martin and Martha, Farmstead |
| Porter, Nathan and Rebecca Cherry and Eliza Ford, Farmstead |
| Porter, Nathan T. and Anna, House |
| Poulsen-Hall House |
| Powell, David, House |
| Pratt, Orson, House |
| Price, John and Margaret, House |
| Price, Lorenzo and Emma, House and Barn |
| Price Municipal Building |
| Price Tavern/Braffet Block |
| Princess Recreation Hall, The-Lynndyl LDS Meetinghouse |
| Providence LDS Chapel and Meetinghouse |
| Provo Community Congregational Church |
| Provo Tabernacle |
| Provo Third Ward Chapel and Amusement Hall |
Data from United States Park Service and Wikidata
