Lung cancer is most common and a leading cause of death in women and men in the worldwide. It has multidimensional effects on patients and their families. Aim of this study was to evaluate level of hopelessness and perceived social support in patients with lung cancer. This cross-sectional and descriptive study carried out in oncology outpatient unit of a university hospital in Adana, Turkey. The research sample consisted of 98 patients who have been treated between March 1, 2016 and August 31, 2016, have diagnosed lung cancer at least 3 months ago, have cognitive competence to answer questions and volunteer to join the study. Data were collected with socio-demografic form, Beck Hopelessness Scale and Multidimensional Scale of Perceived Social Support. Analysis was made using by descriptive statistical methods (means, standard deviation, frequences), Mann-Whitney U Test, Kruskall-Wallis H test and Spearman Corelation coeffitient test. Statistical significance was taken as p