| Otto | Austrian architect and pioneer of modern architecture (1841-1918) |
|---|---|
| Otto | a low stool to rest the feet of a seated person |
| Otto | thick cushion used as a seat |
| Otto | an empire created by the Ottoman Turks in the 13th century and that lasted until the end of World War I |
| Otto | Italian composer remembered for his symphonic poems (1879-1936) |