<![CDATA[This study aims to determine the influence of organizational culture on the organizational communication of healthcare workers, the influence of organizational climate on the organizational communication of healthcare workers, and the simultaneous influence of both organizational culture and organizational climate on the organizational communication of healthcare workers at Hospital S in Serang City. A quantitative research approach was employed using purposive sampling, with the sample size determined via Slovin's formula, resulting in 56 healthcare worker respondents. Data were collected using Likert-scale questionnaires and analyzed through multiple linear regression, incorporating classical assumption tests, t-tests, F-tests, and the coefficient of determination. The results indicate that organizational culture has a positive and significant effect on organizational communication, with a significance value of 0.014 and a calculated t-value of 2.529. Organizational climate also has a positive and significant effect on organizational communication, with a significance value of 0.016 and a calculated t-value of 2.491. Simultaneously, organizational culture and organizational climate significantly influence organizational communication, with a calculated F-value of 7.265 and a significance value of 0.002. The coefficient of determination shows that organizational culture and organizational climate explain 61.5% of the variation in organizational communication, while the remaining 38.5% is influenced by factors outside the scope of this study. The study concludes that improving organizational culture and organizational climate can enhance the organizational communication of healthcare workers at Hospital S in Serang City, both partially and simultaneously. Keywords: Organizational Culture, Organizational]]>
