Widmann
Widmann is a German surname. Notable people with the surname include:
- Albert Widmann, German chemist and SS officer who worked for the Action T4 program of Nazi Germany
- Carolin Widmann, German violinist, sister of Jörg Widmann
- Erasmus Widmann, South German composer
- Frederick Widmann, German-born American architect and philanthropist
- Gottlob Widmann, German company founder and inventor
- Horst Widmann, Austrian painter
- Johannes Widmann, German mathematician, invented the addition and the subtraction signs
- Jörg Widmann, German composer and clarinetist, brother of Carolin Widmann
- Rosina Widmann née Binder, German educator and missionary
