Keywords: Existentialism, Theistic Existentialism, Concept of IsyqHistorically, existentialism has emerged in the early 19th century. It appears as amovement of thought that opposes rationalism and intellectualism regime with deep roots in Western philosophy. Spirit of freedom is the soul of existentialism.Existentialism itself has two main branches, Atheistic and Theistic. The main difference is atheistic existentialism refuses God for human freedom, while theistic existentialism believes that by accepting the God, human beings can get their freedom. Theistic existentialism theory covers two main points, which are acceptance of God in freedom and concept of isyq and sawal. It explains about the existence of God as an individual with the cr...