Oklahoma - Significance region: Local
| Payne County Courthouse |
| Penick House |
| Perkins Downtown Historic District |
| Perry Armory |
| Perry Courthouse Square Historic District |
| Perry Lake Park |
| Perryman Ranch Headquarters |
| Petroleum Building |
| Philcade Building |
| Phillips 66 Station #473 |
| Phillips 66 Station No. 1423 |
| Phillips, Waite, Mansion |
| Pierce Block |
| Pilgrim Congregational Church |
| Pioneer Building |
| Pioneer Plaza |
| Pioneer Telephone Company Warehouse and Garage |
| Pittsburg County Courthouse |
| Pittsburg School and Gymnasium |
| Plaza Court |
| Pleasant Valley School |
| Pocasset Gymnasium |
| Pollock, Donald, House |
| Ponca City Coca-Cola Bottling Company |
| Ponca City Milling Company Elevator |
| Ponca City Municipal Airport Hangar |
| Ponca City Power Plant |
| Poncan Theatre |
| Pond Creek Masonic Lodge #125 |
| Pontotoc County Courthouse |
| Post Office, Courthouse, and Federal Office Building |
| Poteau Community Building |
| Poteau School Gymnasium-Auditorium |
| Pottawatomie County Courthouse |
| Prague City Hall and Jail |
| Presbyterian Church |
| Pre-Statehood Commercial District |
| Provine Service Station |
| Pruett House |
| Public Library of Enid and Garfield County |
| Public Service of Oklahoma Building |
| Public Water Trough |
| Putnam Heights Historic Preservation District |
| Pyeatt's, J. J., General Store |
| Quillin Site |
| Railroad Exchange Building |
| Ralls, Joe, House |
| Ralston Opera House |
| Ramona Theatre |
| Ranch Acres Historic District |
| Randall Tire Company |
| Randlett Park |
| Red Bird City Hall |
| Reifsnyder, Josephine, Lustron House |
| Rein School |
| Renfrow Building |
| Renfrow House |
| Richardson Building |
| Richardson, Edward, Building |
| """Ringing the Wild Horse"" Site" |
| Rio Grande Ranch Headquarters Historic District |
| Riverside Historic Residential District |
| Riverside Studio |
| Riverview Historic District |
| Riviera Courts-Motel |
| Robb, Andrew W., House |
| Roberta School Campus |
| Robert J. LaFortune Tower |
| Robertson, Dr. William A.T. and Lillian, House |
| Rock Cafe |
| Rock Creek Bridge |
| Rock House |
| Rock Island Depot |
| Rock Island Depot |
| Rock Island Depot |
| Rock Island Depot |
| Rock Island Passenger Station |
| Rock Island Passenger Station |
| Rock Island Plow Building |
| Roff Armory |
| Rogers, Will, Hotel |
| Roosevelt Elementary School |
| Rosamund |
| Rose-Fast Site (34PT28) |
| Rosenstein Building |
| Rosenwald Hall |
| Rouleau Hotel |
| Sacred Heart Catholic Church and Rectory |
| Saline District Courthouse |
| Sallisaw High School |
| Sally Ann Apartments |
| Sand Springs Power Plant |
| Santa Fe Depot |
| Santa Fe Depot |
| Santa Fe Depot |
| Santa Fe Depot |
| Santa Fe Depot |
| Santa Fe Depot of Lindsay |
| Santa Fe Freight Depot |
| Sapulpa Downtown Historic District |
Data from United States Park Service and Wikidata
