Background: In the workplace, knowledge sharing problem is relatively common in
which the individual employees with knowledge are less inclined to share their knowledge.
Commitment represents something beyond loyalty to an organization. Aim of the study: To
identify the relationship between organizational commitment and knowledge sharing among
staff nurses. Design: A descriptive comparative study design was utilized to meet the aim of
this study. Setting: This study was conducted at Ain Shams University Hospital and Dar El-
Shefa Hospital, the study sample consisted of 126 staff nurses who are working in the two
hospitals. Tools of data collection: two types of tools. 1) Organizational commitment
questionnaire 2) knowledge sharing questionnaire. Results: Nurses' age ranged between 20
and 57 years more than three fifth of females, and near three quarter of studied sample
having diploma degree, more than half of studied sample were working in Ain-Shams
Hospital. The highest percentage of staff nurses above three fifth had high level of
continuance commitment, and near three quarter them had low level of affective
commitment. Eighty six and five percent of the staff nurses had high level of total knowledge
sharing. Conclusion: staff nurses in the study setting have low affective commitment, with
better continuance commitment, majority of the staff nurses had high level of total
knowledge sharing, the work hospital has significant influences on nurses' commitment and
knowledge sharing. Recommendations: The study recommends provide all facilities needed
to improve knowledge sharing through a reward system. Further research is suggested to
assess the effects of organizational, individual, and environmental factors separately on
knowledge sharing