Walther von Hallwyl was a Swiss-born Swedish nobleman, businessman, philanthropist and politician who served on the First Chamber of the Swedish Riksdag for Gävleborg County. He was the co-founder of Hallwyl Museum.
- Occupation
- politician, businessperson, entrepreneur
- Position held
- member of the First Chamber
- Citizenship
- Sweden
- Born
- January 26, 1839
- Died
- February 27, 1921