Culture constitutes a fundamental determinant shaping the organizational milieu, wherein employee conduct is intricately moulded by diverse cultural elements within the organizational context. Hence, the current investigation endeavours to scrutinize the impact of knowledge-sharing culture, organizational learning culture, and cultural diversity on both organizational commitment and innovative work behaviour. Additionally, this inquiry delves into the mediating influence of organizational commitment and the moderating function of team-oriented culture. Methodologically, this study adopts a cross-sectional research design with a quantitative orientation. Data acquisition relies on a meticulously crafted questionnaire derived from an exhaustive review of pertinent literature. The sample comprises employees within organizations in the Kingdom of Saudi Arabia, utilizing convenience sampling methodology. The study achieves a commendable usable response rate of 68.58%. Analytical scrutiny of the gathered data is facilitated through Smart PLS 4. The findings indicate that knowledge-sharing culture, organizational learning culture, and cultural diversity exert favourable impacts on organizational commitment. Furthermore, a corroborative relationship between organizational commitment and innovative work behaviour is established. The study corroborates the mediating role of organizational commitment and the moderating effect of team-oriented culture. These findings offer valuable insights for academicians to inform their subsequent research endeavours.