Theunis Tiejes
- Born: 16 Jun 1737, Veenwouden (Feanwâlden) Dantumadeel (Dantumadiel) Friesland Netherlands
- Marriage: Wopkje Jelles Veenstra on 14 Feb 1762 in Bergum (Burgum) Tietjerksteradeel Friesland Netherlands
- Died: Sep 1784, Veenwouden (Feanwâlden) Dantumadeel (Dantumadiel) Friesland Netherlands at age 47
 Other names for Theunis were Teunis Teies and Teunis Teyes.
Theunis married Wopkje Jelles Veenstra, daughter of Jelle Klazes and Marike Jelles, on 14 Feb 1762 in Bergum (Burgum) Tietjerksteradeel Friesland Netherlands. (Wopkje Jelles Veenstra was born in 1744 in Veenwouden (Feanwâlden) Dantumadeel (Dantumadiel) Friesland Netherlands and died on 16 Nov 1832 in Veenwouden (Feanwâlden) Dantumadeel (Dantumadiel) Friesland Netherlands.)
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