Kentucky - Role: Building
| Old Classroom Building, Union College |
| Old Courthouse |
| Old Governor's Mansion |
| Oldham, Mary Simpson, House |
| Old Kentucky Home Motel |
| Old Kentucky Tavern |
| Old Library Building |
| Old L & N Station |
| Old Log Church |
| Old Morrison, Transylvania College |
| Old Muhlenberg County Jail |
| Old Mulkey Meetinghouse |
| Old Normal School Building |
| Old Prentice Distillery |
| Old Presbyterian Theological Seminary |
| Old Statehouse |
| Old Stone Inn |
| Old Stone Tavern |
| Old Talbott Tavern |
| Old U.S. Courthouse and Post Office |
| Old U.S. Customshouse and Post Office |
| Old Wash Place |
| Old Zion Methodist Church |
| Olive Branch Methodist Episcopal Church |
| Olive Hill C & O Depot |
| Olive, Richard, House |
| Oliver School |
| Olympic, The |
| Omer/Pound House |
| O'Neal, George, House |
| O'Neal, James, House |
| Opera House and Yates Bookshop Building |
| Ort-Heeb Farm |
| Osburn House |
| Overby, L. B., House |
| Overman & Schrader Cordage Company |
| Owen, Brackett, House |
| Owen County Courthouse and Jail |
| Owensboro Armory |
| Owings, Col. Thomas Deye, House |
| Owsley, Gov. William, House |
| Oxford Historic District |
| Oxmoor |
| Paducah City Hall |
| Paducah Coca-Cola Bottling Plant |
| Page |
| Page-Bell House |
| Paget House and Heigold House Facade |
| Page, William House |
| Paint Lick Presbyterian Church |
| Paint Lick School |
| Paintsville City Hall |
| Paintsville Country Club |
| Paintsville High School |
| Paintsville Public Library |
| Paramount Theatre |
| Paris Cemetery Gatehouse |
| Paris Railroad Depot |
| Parke-Moore House |
| Parker House |
| Parker, Richard, House |
| Parkland Evangelical Church |
| Parkland Junior High School |
| Parks, William, House |
| Parrish Place |
| Parrot House |
| Passmore, Benjamin, Hotel |
| Passmore, Benjamin, House |
| Passmore, George, House |
| Pate, Samuel, House |
| Patterson, Charles, House |
| Patterson, Horace, House |
| Patterson House |
| Patterson, Joseph, Quarters |
| Patterson, Thomas, House |
| Patton, Robert, House |
| Payne, Asa, House |
| Payne-Desha House |
| Payne, Gen. John, House |
| Payne, Henry, House |
| Payne House |
| Payne House |
| Payne, Lewis, House |
| Payne Mill |
| Payne-Saunders House |
| Peacock House |
| Peacock-Miller House |
| Peak, Henry C., House |
| Peak House |
| Pearce-Wheeler Farm |
| Peaslee-Gaulbert Warehouse |
| Peebles, Dr. Thomas C., House |
| Peers, Henry Perviance, House |
| Pell, Joe, Building |
| Pemberton Farm |
| Pence, Adam, House |
| Pendennis Club |
| Pendleton, Col. Edmund, House |
| Pendleton House |
| Pendleton House |
Data from United States Park Service and Wikidata
