Wiarda
Wiarda is the family name of the following people:
- Dothias Wiarda (1565–1637), East Frisian Chancellor from 1611
- Georg Wiarda (1889–1971), German mathematician and chess player
- Gérard Wiarda ( Gerardus Johannes Wiarda ; 1906–1988), Dutch legal scholar
- Tileman Dothias Wiarda (1746–1826), East Frisian historian