Look up letha in Wiktionary, the free dictionary.
Letha may refer to:
- Letha (comics) (Hellen Feliciano), a supervillain in the Marvel Comics Universe
- Letha, Idaho, an unincorporated town in Gem County, Idaho, United States
- Letha Dawson Scanzoni (born 1935), independent scholar, author, and editor
- Letha Wilson (born 1976), American artist
- Letha Raney Intermediate School, a middle school in Corona, California