Pear stem
Birnstiel is the family name of the following people:
- Eckart Birnstiel (* 1947), German-French historian
- Elias Birnstiel (around 1600–1679), Thuringian clergyman and scholar
- Fritz Birnstiel (1918–2007), German general in the army of the Bundeswehr
- Georg Birnstiel (1885–1964), German auditor
- Johann Georg Birnstiel (1858–1927), Swiss pastor and writer
- Max Birnstiel (1933–2014), Swiss molecular biologist
- Philip Birnstiel (* 1989), German actor
- Thomas Birnstiel (* 1978), German actor
- Tilman Birnstiel , German astrophysicist
