Trefethen
Trefethen is a surname. Notable people with the surname include:
- Anne Trefethen, British computer scientist, former wife of Lloyd N.
- Florence Newman Trefethen, American codebreaker, poet, and English professor, wife of Lloyd M. and mother of Lloyd N.
- Lloyd M. Trefethen, American fluid dynamics researcher, husband of Florence and father of Lloyd N.
- Lloyd N. Trefethen, British mathematician, son of Florence and Lloyd M., former husband of Anne
