Köstler
Köstler, Koestler is a family surname.
Köstler, Koestler:
- Arthur Koestler, a Hungarian political writer
- * The Koestler Trust, a charity
- * Arthur Koestler, the title of a book by Mark Levene in 1984
- * Arthur Koestler/Arrow in the Blue, the title of an autobiography by Arthur Koestler
- * ', a book about Arthur and Mamaine Koestler
- * ', the title of a book by George Mikes in 1983
- Mamaine Koestler, née Paget, the 2nd wife of Arthur Koestler
- Marco Köstler, a German musician
- Jonathan "John" Koestler, a fictional character in the 2009 film Knowing.
