Stelzer
Stelzer is a surname. Notable people with the surname include:
- Adolf Stelzer, Swiss footballer
- Andrea Stelzer, South African beauty queen
- Hannes Stelzer, Austrian film actor
- Howard Stelzer, American classical composer
- Irwin Stelzer, American economist
- Michael Stelzer, American judge
- Simone Stelzer, Austrian pop singer
- Thomas Stelzer (diplomat), Austrian diplomat
- Thomas Stelzer (politician), Austrian politician
- Stelzer engine, is a two-stroke opposing-piston free-piston engine design proposed by Frank Stelzer