Twaddell may refer to:
People edit
- William J. Twaddell (1884–1922), assassinated Irish politician
- William Freeman Twaddell (1906–1982), American linguist
- William H. Twaddell, American diplomat
Other edit
- Twaddell scale, a hydrometer scale for reporting the measured specific gravity of a liquid relative to water
See also edit
- Twaddle, a variant on the surname Twaddell