The paper deals with a comparative literature topic and it is established on the analysis of the components of existentialism which are present in Springs of Ivan Galeb (1957), a novel by Vladan Desnica (1905 – 1967). Major aspects of Desnica's literary views are presented in this work. Furthermore, the theoretical elements of the existentialism as philosophical and literary direction are outlined in both global and Croatian literature. The central body of this paper includes a detailed analysis of the characteristics of existentialism which are supported by the relevant quotes from the novel. The existentialist elements are visible in the theme of the novel which is built on Galeb's consciousness and impressions. His consciousness is burdened with fears and reflections. Also, existentialism can be analyzed through the shaping of the literary character Ivan Galeb. Desnica constructed Ivan Galeb as an individual with a destroyed subjectivity and identity and this causes him an even greater series of existential insecurities to the protagonist himself. With this novel being based on the psychology of a secluded and estranged individual, Vladan Desnica has an indelible importance in the corpus of Croatian existential literature.