Frederick J. Osterling | |
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| Born | Frederick John Osterling October 4, 1865 |
| Died | July 5, 1934 |
| Nationality | American |
| Occupation | Architect |
| Parent(s) | Philip and Bertha Osterling |
Frederick John Osterling (October 4, 1865 – July 5, 1934) was an American architect, practicing in Pittsburgh from 1888.