Letha

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