This study aims to explore the relationships among perceived corporate social responsibility (CSR), organizational commitment, and employee innovative behaviour by constructing a multiple mediation model from the perspective of employees. A meticulous investigation into the mediating effects of different dimensions of organizational commitment has been undertaken. Utilizing a sample of 389 employees from enterprises situated in Guangdong Province, China, a structural equation model (SEM) is employed to methodically explore and validate the research hypotheses. Empirical findings reveal that perceived internal and external CSR not only significantly and positively influence employee innovative behaviour but also exert a noteworthy positive impact on affective commitment, continuance commitment, and normative commitment. Affective commitment, continuance commitment, and normative commitment are deemed pivotal mediating factors in the intricate relationship between perceived internal and external CSR and employee innovative behaviour, acting as the link between perceived internal and external CSR and employee innovative behaviour. The ensuing analysis delves into the theoretical and managerial ramifications of these empirical revelations. Additionally, this study proposes research limitations and outlines future research trajectories. The results of this study not only guide business managers but also provide new perspectives and insights for future research on CSR and innovative behaviour.