Background: Person-organization fit refers to conformity between individuals and organizations, which emphasizes the extent to which individuals and organizations share the same characteristics and/or meet each other's needs. Aim of the study: It aimed to assess the relationship between person-organization fit and organizational identification among staff nurses. Research design: A descriptive correlational design was used to carry out this study. Setting: The study was conducted at Dar El Shefaa hospital. Subjects:  The study subjects included (211) staff nurses out from (466) staff nurses. Tools: Data were collected by: Person- organization fit scale and organizational identification questionnaire. Results: about two thirds (65%) of staff nurses had high perception level regarding total person- organization fit. More than two thirds (70%) of studied staff nurses had high total perception level regarding organizational identification. Conclusion: there was a highly positive correlation between person- organization fit and organizational identification among staff nurses. Recommendations: Organizations have to develop strategies to ensure person organizational fit and improve the work environment to stimulate organizational identification.