Theda
Theda is a feminine given name which may refer to:
- Theda Bara, American silent film actress and sex symbol
- Theda Marshall, player in the All-American Girls Professional Baseball League
- Theda Skocpol, American sociologist and political scientist
- Theda Ukena, regent of the County of East Frisia from 1466 to about 1480
- Theda Funnie, fictional character from the animated television series ''Doug''