Barbara Sophia of Brandenburg (16 November 1584 – 13 February 1636) was duchess of Württemberg by marriage to Duke John Frederick of Württemberg and acted as regent of the Duchy of Württemberg for their minor son, Duke Eberhard III of Württemberg, in 1631–1633.
- Occupation
- regent
- Position held
- regent
- Citizenship
- Duchy of Württemberg
- Born
- November 16, 1584
- Died
- February 13, 1636