Abstrak Tujuan penelitian ini untuk mengetahui pengaruh keadilan prosedural pada per-ilaku kewargaan organisasional dengan komitmen organisasi sebagai variable mediasi. Populasi dalam penelitian ini adalah guru sekolah dasar swasta di Ke-camatan Semarang Timur berjumlah 178. Metode pengumpulan data menggu-nakan kuesioner. Penarikan sampel menggunakan teknik proportional random sampling. Sampel yang ditetapkan sebanyak 123 responden menggunakan rumus Slovin. Metode pengumpulan data menggunakan

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... esioner, yang diukur menggu-nakan skala likert. Analisis data menggunakan analisis deskriptif, analisis regresi, dan analisis jalur dengan bantuan SPSS 21. Hasil penelitian menunjukkan bahwa keadilan prosedural berpengaruh positif pada perilaku kewargaan organisasional tetapi, kurang berpengaruh pada komitmen organisasi. Komitmen organisasi ber-pengaruh positif pada perilaku kewargaan organisasional. Dan komitmen organ-isasional dapat memediasi hubungan keadilan prosedural pada perilaku kewargaan organisasional pada guru SD Swasta di Kecamatan Semarang Timur Kota Sema-rang. Saran untuk peneliti selanjutnya diharapkan dapat menguji variabel mediasi yang berbeda pada model penelitian ini seperti dukungan organisasi, kepercayaan serta kepemimpinan. Abstract The purpose of this study to find out the influence of procedural justice on organizational citizenship behavior with organizational commitment as mediating variable. The population of this study was private elementary school teachers in East Semarang it is 178. The samples were selected by using proportionate random sampling. The samples were calculated by applying slovin formula consisting of 123 teachers.The methods used in collecting the data was a questionnaire which was measured by likert scale. The methods of data analysis were descriptive analysis, regression analysis, and path analysis used SPSS 21. The results of thie study showed procedural justice have positive effect on organizational citizenship behavior and can't support positive effect on commitment. Commitment have positive effect on organizational citizenship behavior, and commitment can mediated relation of procedural justice on organizational citizenship behavior in teacher private elementary school in East Semarang. Suggestions for further research are expected to test the different mediating variables in this research model, such as perceived organizational support, trust and leadership.