Félix B. Caignet
- Birthday: 1892-03-31
- Deathday: 1976-05-25
- Also know as: Félix Benjamín Caignet Salomón
Félix B. Caignet (March 31, 1892 – May 25, 1976) was a Cuban radio writer, broadcaster, poet, novelist, journalist, theater critic, singer and musical composer.
