Objective: The study aimed to investigate the spiritual needs of oncology patients and spiritual care competencies of oncology nurses caring for the oncology patients. Material and Method: The study has a descriptive and cross-sectional design. The study was carried out with oncology patients (n=324) and oncology nurses (n=17) who were caring for them in oncology unit of a hospital in the city of İzmir, Turkey. The study data were collected using the Spiritual Needs Scale for the patients and the Spiritual Care Competency Scale-T for the nurses. In statistical analysis, number, percentile, mean score, and standard deviation were used. In the calculations, the level of statistical significance was taken as p