Ostermann
Ostermann is a German surname. Notable people with the surname include:
- Clemens Ostermann, German voice actor and musician
- Corny Ostermann, German jazz musician
- Edward Albert Ostermann, United States Marine Corps general
- Elard Ostermann, German footballer
- Friedrich Ostermann, German Roman Catholic titular bishop
- Helmut Ostermann, birth name of the Israeli writer, journalist, politician, and activist Uri Avnery
- Manfred Ostermann, German politician
- Max-Hellmuth Ostermann, German World War II flying ace
- Ruy Carlos Ostermann, Brazilian journalist, writer, professor and politician
- Tim Ostermann, German politician
- Willi Ostermann, German lyricist, composer and singer