Former Owner
- Nathaniel Sherman Bouton1
- Naʻīm1
- Nicholas Bacon1
- Nonnberg Abbey1
- Norman H. Strouse3
- Novalesa Abbey1
- Nūr al-Dīn Darvīsh2
- Octave Chavaillor1
- Oliver Henry Perkins9
- Oliver R. Barrett3
- Otto Ege2
- Otto Schäfer1
- Otto Vollbehr1
- Otto Walter Fuhrmann1
- Pandit Gobindpurshad1
- Paolino Gianfilippi1
- Paolo Giovio2
- Parish Church of Waldhausen im Strudengau1
- Park Abbey1
- Pauline Fore Moffitt1