Essays and Soliloquies (original title in Spanish: "Ensayos y Soliloquios") is a collection of essays and philosophical musings written by Miguel de Unamuno, a prominent Spanish philosopher, writer, and existentialist of the late 19th and early 20th centuries. The book contains a series of Unamuno's thought-provoking essays covering various topics related to existentialism, culture, literature, and the human condition.