Komunikasi organisasi merupakan proses yang memberikan manfaat untuk peningkatan kinerja karyawan. Penelitian ini bertujuan untuk mengetahui hubungan antara komunikasi organisasi dan kinerja perawat pelaksana. Desain penelitian menggunakan korelasi deskriptif dengan pendekatan cross sectional terhadap 156 perawat pelaksana di ruang rawat inap. Instrumen penelitian memiliki reliabilitas 0,8716?0,8776. Hasil uji Chi square membuktikan adanya hubungan antara komunikasi organisasi dengan kinerja perawat pelaksana (p= 0,046; α= 0,05). Variabel yang paling berpengaruh terhadap kinerja perawat pelaksana adalah supervisi dan pengarahan. Upaya meningkatkan komunikasi organisasi dengan cara melakukan supervisi dan pengarahan sesuai pedoman perlu dilakukan sehingga dihasilkan kinerja yang semakin baik.Nurse Staff Performance Promoting through Organization Communications in the Hospital Ward. Organization communication is a process which is useful for improving the quality of staff performance. The purpose of this study is to determine the relationship between organization communication and performance of the nurse staff. The design was descriptive correlation with cross sectional approach involving 156 respondents. The reliability of questionnaire is 0.8716?0.8776. The result with chi square test showed that there is a relationship between communication organization and performance of nursing staff (p= 0.046; α= 0.05). The most influencing factors are supervision and direction. Increasing organization communication through supervision and direction is needed to promote a better performance.