Kansas - Significance region: Local
| Ottawa Library |
| Overland Theater |
| Oxley Barn |
| Palace Theater |
| Papes Barn |
| Paradise Water Tower |
| Parker, Martin Van Buren, House |
| Park Place-Fairview Historic District |
| Park Plaza Apartments |
| Parsonian Hotel, The |
| Parsons Katy Hospital |
| Patterson House |
| Paul Laurence Dunbar School |
| Paul Site |
| Paxico Historic District |
| Paxico Rural High School |
| Peabody City Park |
| Peabody Township Carnegie Library |
| Pearl Opera House |
| Pease, Robert L., House |
| Penley House |
| Perdue, C. A., House |
| Perring Building |
| Persons Barn and Granary |
| Pettit Cleaners Building |
| Phillip Hardware Store |
| Phillipsburg Community Building |
| Pickering, I. O., House |
| Pilgrim Congregational Church |
| Pinkney I Historic District |
| Pinkney II Historic District |
| Pioneer Bluffs Ranch Historic District |
| Pioneer Hall, Kansas Wesleyan University |
| Pioneer Log Cabin |
| Pittsburg Foundry & Machine Company |
| Platt, Jeremiah, House |
| Plaza Theater |
| Pleasant Ridge Church |
| Pleasant Valley School District #2 |
| Plymouth Congregational Church |
| Porter Hotel |
| Pospishil Building |
| Pottawatomie County Courthouse |
| Pottawatomie County Fair Pavilion |
| Powell House |
| Prairie Oil & Gas Building |
| Prather, Charles M., Barn |
| Pratt-Mertz Barn |
| Pray Farmstead(s) |
| Prescott Rural High School |
| Prescott School |
| Price Elementary School |
| Priestly House |
| Prospect Park Farm |
| Pryor House |
| Pusch-Randell House |
| Quayle, William A., House |
| Quindaro Townsite |
| Ransom, James H., House |
| Ranson Hotel |
| Rapp School District No. 50 |
| Raymond, J.E., House |
| Redel Historic District |
| Reid, Lyman, House |
| Reiff Building |
| Reuter Organ Company Buildings |
| Rice County Jail and Sheriff’s Residence |
| Rice, J. R., Barn and Granary |
| Rice, J.R., Farmstead |
| Richardson-Brown, Anna, House |
| Riggs, Samuel A., House |
| Riley County Courthouse |
| Ritchie Cemetery |
| Riverside Cottage |
| Riverside Park |
| Riverview Apartments |
| Roberts House |
| Roberts-Luther-Mitchell House |
| Robertson House |
| Robinett, S.D., Building |
| Rock Island Depot |
| Rock Island Depot |
| Rocky Ford Bridge |
| Rocky Ford School |
| Roosevelt-Lincoln Junior High School |
| Ross Row Houses |
| Ruleton School |
| Russell County Jail and Sheriff's Residence |
| Sabine Hall |
| Sage Inn |
| Saint Luke African Methodist Episcopal Church |
| Saint Margaret's Hospital |
| Sand Creek Tributary Stone Arch Bridge |
| Santa Fe Depot |
| Santa Fe Depot |
| Santa Fe Trail-Douglas County Trail Segments |
| Santa Fe Trail-Marion County Trail Segments |
| Santa Fe Trail-Rice County Trail Segments |
| Sargent, John, House |
| Sawyer City Jail |
Data from United States Park Service and Wikidata