The following outline is provided as an overview of and topical guide to existentialism:

Existentialism is a family of philosophical views and inquiry that explore the human individual's struggle to lead an authentic life despite the apparent absurdity or incomprehensibility of existence. In examining meaning, purpose, and value, existentialist thought often includes concepts such as existential crises, angst, courage, and freedom.

Existentialism can be described as all of the following:

• a branch of philosophy
  • a branch of [[continental philosophy
  • a philosophical school

• Agnostic existentialism
• Atheistic existentialism
• Black existentialism
• Christian existentialism
• Existential humanism
• Existential nihilism
• Feminist existentialism
• Jewish existentialism
• Existential phenomenology

History of existentialism

• Abandonment
• Absurdism
• Angst
• Authenticity
• Bad faith
• Being in itself
• Existence precedes essence – the thought that the existence of humans precede their essence, or their identity.
• Existential crisis
• Facticity
• Meaning
• Meaning of life
• Nihilism
• Other

• Karl Jaspers Society of North America
• Neo-Communist Party of the Soviet Union
• Society for Phenomenology and Existential Philosophy

• Being and Nothingness – 1943 book by Jean-Paul Sartre
• Being and Time – 1927 book by Martin Heidegger
• Existentialism Is a Humanism – 1946 book by Jean-Paul Sartre
• Irrational Man – 1958 book by William Barrett
• Lukacs and Heidegger: Towards a New Philosophy – Book by Lucien Goldmann
• Man's Search for Meaning – 1946 book by Viktor Frankl
• The Outsider – 1956 book by Colin Wilson

• Existenz (journal) – journal covering research in philosophy, religion, politics, and the arts
• Sartre Studies International – academic journal

• Hannah Arendt (1906–1975)
• Hazel Barnes (1915–2008)
• Martin Buber (1878–1965)
• Albert Camus (1913–1960)
• Emil Cioran (1911–1995)
• Simone de Beauvoir (1908–1986)
• Fyodor Dostoyevsky (1821–1881)
• William A. Earle (1919–1988)
• Martin Heidegger (1889–1976)
• Karl Jaspers (1883–1969)
• Søren Kierkegaard (1813–1855)
• Maurice Merleau-Ponty (1908–1961)
• Friedrich Nietzsche (1844–1900)
• Jean-Paul Sartre (1905–1980)

• Edmund Husserl (1859–1938)
• Arthur Schopenhauer (1788–1860)

• Glossary of philosophical isms

• Existentialism on In Our Time at the BBC
• Friesian interpretation of Existentialism
• Crowell, Steven. "Existentialism". In Zalta, Edward N. (ed.). Stanford Encyclopedia of Philosophy.
• "Existentialism is a Humanism", a lecture given by Jean-Paul Sartre
• The Existential Primer
• Buddhists, Existentialists and Situationists: Waking up in Waking Life
• What Is an Existential Threat? A threat to existence (see Global catastrophic risk) or to a particular state or group.

Journals and articles

• Stirrings Still: The International Journal of Existential Literature
• Existential Analysis published by The Society for Existential Analysis