Frank W Lewis
- Category : 1912-births
- Type : MGE
- Profile : 3/5 - Martyr / Heretic
- Definition : Single
- Incarnation Cross : RAX The Sleeping Phoenix 3
American cryptographer and cryptic crossword compiler. His puzzles were printed in The Nation for over 60 years, for a total of 2,962 puzzles. Leonard Bernstein, Kurt Vonnegut, and Katha Pollitt were listed among the fans of his puzzles.
He died on 18 November 2010, at age 98. He is survived by his wife of 74 years, Sylvia (née Shosteck). They had six children.