Tujuan penelitian ini adalah untuk mengetahui apakah self efficacy, komunikasi interpersonal dan budaya organisasi secara bersama-sama dan parsial berpengaruh terhadap Kinerja karyawan pada Fajar Toserba Grup. Penelitian ini dilakukan menggunakan metode penelitian deskriptif dan verifikatif dengan pendekatan kuantitatif. Populasi dalam penelitian ini yaitu seluruh karyawan Fajar Toserba Talaga dan Jalaksana yang berjumlah 170 orang. Teknik pengambilan sampel menggunakan teknik purposive sampling. Teknik pengumpulan data menggunakan angket dengan Teknik analisis data melalui regresi linear berganda. Hasil penelitian ini adalah: (1) Self efficacy, komunikasi interpersonal dan budaya organisasi secara bersama-sama (simultan) berpengaruh positif dan signifikan terhadap kinerja karyawan. (2) Self efficacy berpengaruh positif dan signifikan terhadap kinerja karyawan. (3) Komunikasi interpersonal berpengaruh positif dan signifikan terhadap kinerja karyawan. (4) Budaya organisasi berpengaruh positif dan signifikan terhadap kinerja karyawan.
Kata Kunci: Self Efficacy, Komunikasi Interpersonal, Budaya Organisasi dan Kinerja Karyawan.

The purpose of this study was to determine whether self-efficacy, interpersonal communication, and organizational culture, both jointly and partially, had an effect on employee performance at Fajar Toserba Group. This research employed a descriptive and verificative method with a quantitative approach. The population in this study consisted of all employees of Fajar Toserba Talaga and Jalaksana, totaling 170 people. The sampling technique used was purposive sampling. Data were collected using questionnaires, and data analysis was conducted using multiple linear regression. The results of the study were as follows: (1) Self-efficacy, interpersonal communication, and organizational culture jointly (simultaneously) had a positive and significant effect on employee performance; (2) Self-efficacy had a positive and significant effect on employee performance; (3) Interpersonal communication had a positive and significant effect on employee performance; and (4) Organizational culture had a positive and significant effect on employee performance.
Keywords: Self Efficacy, Interpersonal Communication, Organizational Culture and Employee Performance.