Josef Graf von Seilern und Aspang was an Austrian-Czech ornithologist and oologist. Seilern was primarily interested in the Neotropical avifauna. His collections are held by Moravské zemské muzeum.
- Occupation
- ornithologist
- Citizenship
- Austria
- Born
- November 25, 1883, November 25, 1884
- Died
- August 18, 1939